A guy wire runs from the ground to a cell tower. The wire is attached to the cell tower 150 feet above the ground. The angle for
med between the wire and the ground is 50° (see figure). (Round your answers to one decimal place.)
(a) How long is the guy wire?
(b) How far from the base of the tower is the guy wire anchored to the ground?
(a) How long is the guy wire?
(b) How far from the base of the tower is the guy wire anchored to the ground?
1 answer:
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Area of semicircle is given by:
r is the radius, and we are given the diameter. Radius is half the diameter, so it's 2.5m. Let's plug that into the formula (using 3.14 as an estimation for pi):
So, the area of this semicircle is 9.81m².
r is the radius, and we are given the diameter. Radius is half the diameter, so it's 2.5m. Let's plug that into the formula (using 3.14 as an estimation for pi):
So, the area of this semicircle is 9.81m².
