Question

find the size of the angle of a parallelogram if one angle is 20 less than twice the smallest angle

Answer 1

jubinjoy432ou61r2
Secondary SchoolMath 5+3 pts


Find the sizes of the angles of a parallelogram if one angle is 20° less than twice the smallest angle.
Ask for details Follow Report by Shrishti11 25.02.2017
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Answers

Brainly User

let smallest angle be x°
then the other will be (2x-20)°
we know that adjacent angles of ||gm are supplementary
therefore,
x + 2x-20=180
3x=180+20
3x=200
x=200/3
x=66.6°
other angle =2× 66.6. -20= 113.3°
Hope it helps.