Find the height of the flagpole and feet is it cast a 18 ft Shadow and the 5-foot 11-inch Man cast a 3-foot shadow. Round your a
nswer to the nearest Foot.
1 answer:
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Answer: 57°
Given : In triangle PQR, the side PQ is 17, QR is 15, and PR is 14.
We use law of cosine formula
225 = 196 + 289 - 476 cos(P)
225 = 485 - 476 cos (P)
Subtract 485 on both sides
-260 = -476 cos(P)
= cos(P)
P =
P= 56.89202
So measure of angle P is 57 degrees