contestada


A 18 foot ladder is used to scale a wall. The angle of elevation from the ground is 60 degrees how far is the bottom of the
ladder from the base of the wall?

Respuesta :

Answer

9ft from the wall

Explanation

Information given:

Hypothenuse (or ladder): 18ft

Angle of elevation: 60 degrees

Use 60-30-90 to solve for the answer

2x = 18

x = 9

The bottom of the ladder is 9ft from the wall.

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