Question

please help me i can't slove ​

Answer 1

FOLLOW ME AND MARK AS BRAINLIEST

Answer 2

Step-by-step explanation:

given:a:b=7:5, <poy= 90°

to find: c

find:

a+b+c= 180°

7+5+c=180°

12+c =180°

c=180°-12

c= 168°