contestada

A 21 foot ladder is leaning up against a wall. The ladder
makes a 13° with the ground. How far is the base of the
ladder from the bottom of the wall?

A 21 foot ladder is leaning up against a wall The ladder makes a 13 with the ground How far is the base of the ladder from the bottom of the wall class=

Respuesta :

cos13°=x/21
0.9=x/21
x=18.9
Thus, the base of the ladder is 18.9 feet away from the bottom of the wall
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