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wlad13 [49]
4 years ago
11

Find x if QRSTU is a regular pentagon. (8x + 12)

Mathematics
1 answer:
kotykmax [81]4 years ago
8 0

Answer:

x = 66°

Step-by-step explanation:

Sum of the angles of a pentagon is 540°. So, set the expression equal to that and solve for x:

8x + 12 = 540

x = \frac{540-12}{8} = 66

Thus, x = 66°.

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