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Find value of y.

 Mar 23, 2021
 #1
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Note the triangle is isosceles.

Therefore angle ABC and angle ACB are equal, meaning angle ACB is also y degrees.

 

 

Since the sum of the angles in a triangle is 180, we can find that 2y + 24 = 180:

2y + 24 = 180

2y  = 156

y=78

 

Thus the value of y is 78 degrees.

 Mar 23, 2021

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