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likoan [24]
3 years ago
14

Find the value of y​

Mathematics
1 answer:
Alex787 [66]3 years ago
7 0

Answer:

69 degrees

Step-by-step explanation:

The triangles are congruent because one of the angles is congruent to the other and the angle at the top is the same. The total number of degrees in a triange is 180. 180-(66+45 (the angle lenghts of the other 2 angles)) is equal to 180-111=69 degrees.

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