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klarcik96

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Szybko!!Awaria w komputerze ;\ Co się stało? Ktoś wie jak to odkręcic "krok po kroku" ? Obraz w załączniku.
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1.W trójkącie prostokątnym jedna przyprostokątna ma długość, wysokość poprowadzona z wierzchołka kąta prostego jest równa 3. Oblicz pole tego trójkąta prostokątnego.2.Wysokość trójkąta prostokątnego poprowadzona z wierzchołka kąta prostego podzieliła przeciwprostokątną na odcinki mające długość 3 cm i 12 cm. Pole tego trójkąta jest równe więc:a) 30 cm b) 35 cm c) 40 cm d) 45 cm3. Dany jest trójkąt równoboczny o boku 6cm. Podstawa tego trójkąta jest średnicą półkola .Oblicz pole częći trójkąta leżącej poza półkolem.
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1.W trójkącie ABC mamy dane: |AB|=48 cm, |AC|=|BC|=26 cm. Oblicz:a)pole trójkąta ABCb)promień okręgu wpisanego w trójkąt ABCc)promień okręgu opisanego na trójkącie ABC.2.W trójkącie prostokątnym poprowadzono wysokość i środkową wierzchołka kąta prostego.Wysokość jest równa 4 cm , a środkowa ma 8 cm długości.Pole trójkąta prostokątnego jest równe :a) 32 b)64 c) 16 d) 123.W trójkącie ABC mamy dane : |AB|=10, |BC|=12 |AC|=14. Oznaczmy pole trójkąta ABC przez P. Zatem najkrótsza wysokość trójkąta ABC jest równa:a) b) c) d)4.W trójkącie prostokątnym tangens jednego z kątów ostrych jest równy 2,4 ,a promień okręgu opisanego na tym trójkącie jest równy 26 cm. Oblicz pole tego trójkąta.
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1.Sprawdź,czy podana równość jest tożsamością trygonometryczną;podaj konieczne założenia:2. Oblicz wartość wyrażenia:tg70 * tg45 * tg1603. Oblicz:
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Zadania dotyczące twierdzenia pitagorasa , oblicz x : a) przyprostokątna pierwsza : 8 przyprostokątna druga : 4 pierwiastki z 5 przeciwprostokątna : x b) przyprostokątna pierwsza : 3 + 2 pierwiastki z 2 przyprostokątna druga : 6+ 2 pierwiastek przeciwprostokątna : x
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1.Past Simple and Continuous.Complete the text with the correct form of the verbs in brackets.A few years ago, a young family_____(move) to a house in Melbourne, Australia. One night,the couple ______(sleep) when their baby son_____(prepare) a bottle of milk when suddenly,the crying ____(stop). She went back to bed. A few hours later,the baby cried again. This time she went to check. As she opened the door to her son's room, she ____(see) a boy sitting on the bed. He ____(calm) the baby down. When he saw the woman, he ____(disappear).The woman never saw the boy again but the neighbours____(tell) her it was the ghost of young boy who ____(die) in the same room eighty years before.2. Adjectives and prepositions. Complete the questions with a preposition.a) What type of books are you interested______?b) Which school subjects are you good_______?c) What wild animals are you afraid_____?d) What sort of things do you worry_____?e) Are there any sports that you are bad___?f) Which things are you relaxed_____?3. Present Perfect and Past Simple.Complete the sentences with the Present Perfect or Past Simple form of the words in brackets.a) I _________(meet) a beautiful girl and now I'm in love.b) My mum _______(meet) my dad at university.c) She _________(never see) a Harry Potter film but she_____(read) all the books.d) I'm hungry. I _______(not have) anything to eat all day.e) They _____(fall) in love at first sight.f) We ______(go) on holiday to France last year.
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PAST SIMPLE AND PRESENT PERFECT.1.Choose the correct words to complete the sentences.a) My cousin has got married\got married last summer in a hotel.b)I've already been\already went to two weddings this year.c)My mum and dad have met\met in the 1990s.d)I haven't met\ didn't meet the love of my life yet.e) My sister says she's never fallen\never fell in love before.f) My brother and his girlfriend haven't got on\ didn't get on very well at first.2. Use the cues to write questions in the Present Perfect or Past Simple.a) We went out last night .(Where\go?)b)Something has happened.(What\happen)c) I've read The Count of Monte Cristo a few times. (How many times\read it?)d)Somebody phoned her before the lesson.(Who\phone?)e)Jane and I went to see a romantic comedy at the cinema yesterday.(What time\go?)f)Sarah got married.(When\be\the wedding)3.Complete the dialogue with the Present Perfect or Past Simple form of the words in brackets.Jackie:_____you________(hear) about Tom? He_______(meet) someone.Dan: A girl?Jackie: Yes, and he ________(fall) in love. But there's a problem. He ___ (see) her on a bus yesterday and he spoke to her,but then he ._______(not ask) for her phone number.Dan:_____he____ (ask) her name?Jackie:Yes, but only her first name and it's Ann. I_____(never see) him so unhappy.Dan:Oh no!Poor Tom. By the way. How_____(meet) Peter?Jackie:I ______(go) to a party in August and he was there. We _____(get engagend) two weeks ago.Dan:That's great!Jackie:_________you______(ever fall) in love at first sight?Dan: Yes,many times. But sadly,nobody___ (ever fall) in love with me!
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32b Complete the conversations. Use the past continuous of the verbs in brackets.0 A: What were you doing yesterday evening? I knocked on the door,but no one answered. (you / do)B: I was listening to loud music. I didn’t hear you knock. (listen)1 A: Where ………………………… at eight o'clock this morning? (Karl / go)B: To a job interview. That's why he …………………….. a suit and tie. (wear)2 A: ……………………….the computer all morning? (you / use)B: Yes, I………….. . I………………… to some friends online. (chat)3 A: The neighbours ………………………. a lot of noise last night! (make)B: Yes, I know. They ………………….. their wedding anniversary while therest of us ………………….. to get some sleep! (celebrate, try)4 A: I didn't see Eve or George in August. What……………………. ? (they / do)B: Well, Eve ………………….. across the US with some friends and George………………………..in his dad's shop. (drive, work)5 A: Who ………………………….. to outside the cinema last night? (you/ talk)B: Some friends. We …………………….. the film. (discuss)6 A: I'm so tired! Brian and I …………………….. in the garden all day yesterday! (dig)B: Really? Why ………………………. ? (you / dig)32c Complete the news story. Use the past continuous of the verbs in the box. do have plant rob sleep talk work Noisy neighbours help burglars There was a burglary at the home of local manMike Knight yesterday afternoon. It seems that thethieves (0) were robbing Mr Knight's housewhile he (1)…………………….. some work in hisgarden. 'I (2) ………………… vegetables in thegarden all afternoon,' Mr Knight told reporters,'and I didn't hear a thing. 'While Mr Knight (3) ……………………… in thegarden, his neighbours (4) ……………………… abarbecue to celebrate their son's birthday. 'They (5) ……………………. reallyloudly,' Mr Knight said.When Mr Knight went into his house, his dog Goldie (6) ..........................peacefully in the living room, but the TV and hi-fi were missing. 'I don'tunderstand why Goldie didn't bark,' said Mr Knight. 'Maybe the thieves gavehim some sleeping pills!' 33 Past continuous and past simple 33a Complete the sentences. Use when or while.0 Was it snowing when you went to bed last night?1 They had lunch ………… they were waiting for the plane.2 ………..she put new batteries in the toy, it started working again.3 ………. I was walking home, I fell over and cut my knee.4 Helen didn't say hello……….. I saw her this morning.5 …………. you were out jogging, Frank brought your book back.6 Did everybody go home …………….. the concert finished?33b Write sentences. Use the past simple and past continuous.0 while / I / do / the washing up / I / break / a glassWhile I was doing the washing up, I broke a glass.1 your mother / ring / while / you / have / a bath...................................................................2 when / we / see / them / they / buy / food / forthe party.................................................................................................................................3 while/ she / shop / she / meet / on old friend .......................................................................4 we / park / our car / when / we / have / the accident..................................................................................5 what / you / read / when / I / come / into the room?............................................................6 while/ I / chop / the onions / I / cut / my finger…………………………………………………
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