Math, asked by fordm, 1 month ago

In Isosceles Trapezoid QRST, find the measure of < R.

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Answers

Answered by anilp9780
0

Step-by-step explanation:

According to the property of Trapezoid,

The lower base angles are congruent,

therefore,

(9x - 17) =(4x+28)

9x-4x = 28 + 17

5x = 45

x = 45/5

x =9

measure of angle R = 4x + 28

= 4(9) + 28

= 36 + 28

R = 64

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