Answer:
n = 28 degree
Step-by-step explanation:
2n + 17 + 2n - 5 + 2n = 180 degree (sum of interior angles of a triangle)
6n +12 = 180
6n = 180 - 12
n = 168/6
n = 28 degree
Seven plus twenty four divided by two 15.5 feet
55
11*
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55
55 +
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110 go on youtube
4.54%, I hope I helped (:
