a 20 foot ladder leans against a building. if the ladder is 8 feet from the building, find to the nearest degree, the measure of
the angle that the foot of the ladder makes with the ground
1 answer:
Answer:
Step-by-step explanation:
Since this is a right triangle, we can use trig functions
cos theta = adj/ hyp
cos theta = 8/20
cos theta = 2/5
Taking the inverse cos of each side
cos^-1 (cos theta) = cos ^-1 ( 2/5)
theta =66.42182152
To the nearest degree
theta = 66 degrees
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