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What is the value of X and Y?

What is the value of X and Y?-example-1
User Serra
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1 Answer

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9514 1404 393

Answer:

x = 20

y = 70

Explanation:

The exterior angle marked 40° is the sum of the remote interior angles in the isosceles triangle at lower right, both of which are x°.

40° = 2x°

x = 20 . . . . . divide by 2°

The angle marked y° is the complement of the one marked x°.

y = 90 -x = 90 -20

y = 70

User Pansy
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