1. Diketahui segitiga ABC siku-siku di A. Jika panjang BC = 25 cm dan AB = 7 cm, maka panjang AC ada.... Question from @gajebelakangan

August 2022 2 8 Report

1. Diketahui segitiga ABC siku-siku di A. Jika panjang BC = 25 cm dan AB = 7 cm, maka panjang AC adalah .... a. 21 cm c. 23 cm b. 22 cm d. 24 cm

Liziamarcia

Penjelasan dengan langkah-langkah:

AC = √(BC² - AB²)

AC = √(25² - 7²)

AC = √(625 - 49)

AC = √576

AC = 24 cm

2 votes Thanks 3

gajebelakangan Thanks bang, sempurna gk ada kata kata " miif kili silih"

StarryMoon

Diketahui

BC² = 25 cm

AB² = 7 cm

Ditanya

panjang AC

Jawab

$\sf \: A{C}^{2} = \sqrt{ {BC}^{2} - AB ^{2} } \\ \sf \: A{C}^{2} = \sqrt{ {25}^{2} - {7}^{2} } \\ \sf \: A{C}^{2} = \sqrt{625 - 49} \\ \sf \: A{C}^{2} = \sqrt{576} \\ \sf \: A{C}^{2} = {24}^{ \frac{2}{2} } \\ \sf \: A{C}^{2} = 24 \: cm$

1 votes Thanks 2

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