What is the value of y?

Mathematics

1 answer:

VikaD [51]3 years ago

5 0

The answer is 57 because using remote angles theorem you get the largest angle equals to 66 degrees but you are not done yet you have to subtract 66 from 180 because of sum of angles in a triangle so you get 114 degrees and since you have an isosceles triangle you have to divide by two to get y so y = 57 degrees

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The image that completes the question is added at the end of this solution as an attachment

From the attached figure, we have the following highlights

Opposite angles of the quadrilateral are congruent
Adjacent sides of the quadrilateral are congruent

This means that:

AD = DC

AB = BC

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