Selidiki jenis segitiga dengan panjang sisi-sisi berikut.a. 8, 15, 17b. 7, 24, 25c. 9, 12, 15 d. 13,.... Question from @Rheina90

May 2019 2 624 Report

Selidiki jenis segitiga dengan panjang sisi-
sisi berikut.

a. 8, 15, 17
b. 7, 24, 25
c. 9, 12, 15
d. 13, 5, 12

Tolong kak, siapa yg bisa bantu saya

To9ha

Verified answer

Jawab

a. 8² + 15² = 17²
64 + 225 = 289 --> siku siku

b. 7, 24, 25
7² + 24² = 25²
49 + 576 = 625 --> siku siku

c. 9, 12, 15
9² + 12² = 15²
81 + 144 = 225 --> siku siku

d. 5, 12, 13
5² + 12² = 13²
25 + 144 = 169 --> siku siku

5 votes Thanks 5

ZuhMahaGuru

Verified answer

A.

${a}^{2} + {b}^{2} = {c}^{2} \\ {8}^{2} + {15}^{2} = {c}^{2} \\ 64 + 225 = \sqrt{289} \\ {c}^{2} = 17cm \:$
jadi itu siku siku

b.

${a}^{2} + {b}^{2} ={c}^{2} \\ {7}^{2} + {24}^{2} = {c}^{2} \\ 49 + 576 = \sqrt{625} \\ c \: = 25cm$
jadi itu siku siku

c.

${a}^{2} + {b}^{2} = {c}^{2} \\ {9}^{2} + {12}^{2} = {c}^{2} \\ 81 + 144 = {c}^{2} \\ \sqrt{225} \\ c = 15cm$
itu segitiga siku-siku

d.

${a}^{2} \: + {b}^{2} = {c}^{2} \\ {12}^{2} + {5}^{2} = {c}^{2} \\ 144 + 25 = {c}^{2} \\ \sqrt{169} = 13 cm$
itu segitiga siku-siku

2 votes Thanks 3

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Selidiki jenis segitiga dengan panjang sisi-sisi berikut.a.) 12, 16, 20b.) 28, 45, 53bantu kak

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