Question

M∠QPS=40
m∠RPS=8x+7
m∠QPR=9x+16

find m∠QPR

Answer 1

25

Explanation:

from the information given, we know that rps + qpr = qps.

so, (8x+7)+(9x+16) = 40.

simplify to get 17x + 23 = 40.

17x = 17.

x = 1.

plug in: 9+16 = 25.