Question

B

с
20
NOT TO
SCALE
D
76
ko
A
The diagram shows a pentagon ABCDE.
BC is parallel to AE and angle CDE is a right angle.
Find the values of r and y.​

Answer 1

Explanation:

`find \: y \\ 180 - 90 = 90 \\ 90 / 2 = 45 \\ y = 45 + 90 = 135`

`find \: x \\ 360 - 2(90) - 76 = \\ = 360 - 180 - 76 = \\ = 180 - 76 = \\ = 104`