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.

asked Mar 21, 2022 195k views

0 votes

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.

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3 votes

Explanation:

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

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

Ellen Spertus answered Mar 26, 2022

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