Question

In a parallelogram ABCD, angle A = 90°
1) what is the measure of angie B ?
2) write the special name of the parallelogra​

Answer 1

Answer:

let angle A be 90°

A+B=360°

90°+B=360°

B=360°-90°

B=270°

Answer 2

Answer:

if the perimeter of a trapezium is 90cm, it's non parallel sides are equal to 16cm each and it's height is 9cm, find the area of the trapezium