Question

Use the drawing tool(s) to form the correct answer on the provided grid.
A team of painters is working on the exterior of a building. One of the painters sets a ladder on the ground 5 feet from the base of the building
and leans it up to touch the wall. Using an angle measurement tool, he finds that the angle the ladder makes with the ground is 73.61 degrees.
Use the grid provided to draw a scale representation of the ladder against the wall, rounding calculations to the nearest foot. Each unit on the
grid represents one foot. i’m

Answer 1

The Length of ladder is 17.73 feet.

What is angle of elevation?

The angle formed by the line of sight and the horizontal plane for an object above the horizontal.

distance of the foot of the ladder =  5 feet

Using trigonometry,

cos $\theta$ = B/H

cos 73.61= 5/H

0.282 = 5/H

H = 5/0.282

H = 17.73 feet

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