perhatikan gambar berikut! panjang QR adalah....A. 24 cmB. 14 cmC. 16 cmD. 36 cm.... Question from @lkprizka123

May 2021 2 22 Report

perhatikan gambar berikut! panjang QR adalah....

A. 24 cm
B. 14 cm
C. 16 cm
D. 36 cm

Jawaban:

QR^2 = PR^2 - PQ^2

= 26^2 - 10^2

= 676 - 100

QR = AKAR DARI 576

QR. = 24CM

1 votes Thanks 1

Emptyzz

$Berikut \ Jawaban + Penjelasannya$

Opsi A. 24 cm

Rumusnya

• Mencari sisi (selain Hipotenusa)

${a}^{2} = {c}^{2} - {b}^{2} \\ {b}^{2} = {c}^{2} - {a}^{2}$

${a}^{2} = {26}^{2} - {10}^{2} \\ {a}^{2} = 676 - 100 \\ {a}^{2} = 576 \\ a = \sqrt{576} \\ a = 24 \: cm$

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1 votes Thanks 1

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