Question

2. If hve angles of a quadrilateral are 77 and 57°, and out of the remaining two mia
angle is 10% smaller than the other find these angles
​

Answer 1

sum of angles is 360

so 360 - (77 + 57) = 216

let angles be x , y

x + y = 216

x = 0.9 y

0.9 y + y = 216

y = 113.68

x= 102.32