Question

(1) quadrilateral ABCD is a parallelogram. The ratio
of angle A and angle B of this parallelogram
is 5:4. Find the measure of angle A and angle B?​

Answer 1

A is 200 degree

B is 160 degree

Answer 2

Answer:-
Solution:-

a:b = 5:4
Let 5:4 be 5x and 4x


=> 5x + 4x = 180*
=> 9x = 180*
=> x = 180*/ 9
=> x = 20

Hence,
=> =>
So, (Answers)



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