260°
B
C С
500
259
D
E
ABCD is a quadrilateral.
ADE is a...
![subject](/tpl/images/cats/mat.png)
Mathematics, 02.04.2021 01:30 jarteria0
260°
B
C С
500
259
D
E
ABCD is a quadrilateral.
ADE is a straight line.
Find the size of the angle marked y.
Give a reason for each stage of your working.
![ansver](/tpl/images/cats/User.png)
Answers: 1
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