September 2018 1 12 Report

Proszę o pomoc. Oto treść zadań :

zad. 1 .

Przekątne rąbu mają długości 6m i 7,5m , wysokość rombu ma długość 3m. Oblicz długość boku tego rombu .

zad. 2 .

Oblicz pole równoległoboku o jednym z boków 6,8cm, w ktorym wysokość odpowiadająca temu bokowi jest o 1,9 cm krótsza od teho boku .

zad. 3 .

Oblicz objętość i pole powierzchni prostopadłościanu o wymarach 6cm ,

0,08m , 1,3dm .

zad. 4 .

Oblicz pole :

a) trapezu o podstawach 3,8cm i 4,6cm oraz wysokości 3,5cm

b) rombu o przekontnych 6,4m i 3,25 .


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