Answer:
p = 67
Explanation:
The polygon has 8 sides.
The sum of the measures of the interior angles is:
180(n - 2) = 180(8 - 2) = 180(6) = 1080
p + 49 + 2p + 7 + 2p + 142 + p + 50 + 2p + 147 + 2p + 15 = 1080
10p + 410 = 1080
10p = 670
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