A 15 foot board rest against a wall. The angle that the board makes with the ground is 60 degrees. How far is the base of rhe bo
ard away from the wall
1 answer:
Answer:
7.5'
Step-by-step explanation:
Use trigonometry.
Draw it out.
the hypotenuse is 15.
You want to find the adjacent side.
Use cosine (the adjacent over hypotenuse)
cos60=A/15
15cos60=A
7.5=A
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