ashleydecollo ashleydecollo

04-02-2021
Mathematics

contestada

A guy wire attached to the top of a radio antenna is anchored to a point on the ground 20 m from the antenna's base. If the wire makes an angle of 51° with level
ground, how high is the antenna?
The antenna is about m high
(Round to the nearest tenth as needed)

Respuesta :

emily000090 emily000090

04-02-2021

Answer:

the cosine of the angle equals 40.0 m divided by the length of the wire

cos(58º20') = 40.0 m / L

L = 40.0 m / cos(58º20')

Step-by-step explanation:

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