Question

Perhatikan gambar R (7x+8) (5x+4)⁰ O Besar ZSQR adalah... A. 14° B. 70° C. 74° D. 106⁰ S​

Answer 1

7x+8+5x+4 = 180°

12x + 12 = 180°

12 x = 180° - 12°

12x = 168

x = 14

<SQR = 5x + 4

<SQR = 5(14)+4

<SQR = 74°