Question

What is the value of x given that figure PTRA is an isosceles trapezoid ?! Please help !

Answer 1

Since it is a Trapezoid:

TR is Parallel to PA

For a Parallel lines the sum of the 2 opposite interior angles add up to 180

Therefore:

x + (3x + 16) = 180

x + 3x + 16 = 180

4x + 16 = 180

4x = 180 - 16

4x = 164

x = 164/4

x = 41

x = 41 degrees. Option C.

Answer 2

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