Find the value of x in the trapezium ABCD where AB and CD are parallel sides and angle A = x-20° , angle D = x+40°.
Answers
Answered by
4
Step-by-step explanation:
A+B = 180 Interior angle theorem
X-20 + X+40 = 180
2X + 20 = 180
2X = 180 - 20
2X = 160
X = 160 ÷ 2
X = 80
I hope it will help you
Similar questions