A pentagon has the following measurements for its interior angles: (x - 8)°, (3x - 11)°, (x + 8)°, (x)°, and (2x + 7)°. Which of the following could be measurements for interior angles of the pentagon?
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Answer:
=68
Step-by-step explanation:
Sum of all interior angles of Pentagon is 540°.
=> x-8+3x-11+x+8+x+2x+7 = 540
=> 8x-3 = 540
=> 8x = 540+3
=> 8x = 543
=> x = 543/8
=> 67.87 ≈ 68
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