the measures of our four angles of a quadrilateral (2x +10)degree , (3x+15)degree , (4x-30)degree , (2x-20)degree respectively . then find the measure of the smallest exterior angle of it.
Answers
Answered by
5
Answer:
x=35
Step-by-step explanation:
sum of all angles of quadrilateral is 360
360=2x+10+3x+15+4x-30+2x-20
=11x-25
therefore, 360+25=11x
385=11x
x=35
Similar questions