SOLUTION: the angle os elevation of a 15ft laddar is 70 degrees. Find out how far the base of the laddar is from the wall.
Algebra.Com
Question 211054: the angle os elevation of a 15ft laddar is 70 degrees. Find out how far the base of the laddar is from the wall.
Answer by RAY100(1637) (Show Source): You can put this solution on YOUR website!
Let x = distance from wall
.
rough sketch shows,,cos 70 = x / 15,,,,x= (cos 70) * 15 = 5.13 ft
.
check,,,cos 70 = 5.13/15 = .3420,,,,ok
.
RELATED QUESTIONS
The angle of elevation of a 15-ft ladder is 70°. Find out how far the base of the ladder... (answered by jojo14344)
I'm having a lot of trouble with this one:
The angle of elevation of a 15 ft ladder is (answered by RAY100)
a ladder is resting against a wall. The top of the ladder touches the wall at a height of (answered by rfer,solver91311)
the base of a 15ft ladder is 8 ft away from the wall. How far above the floor is the top (answered by Earlsdon)
Can you please explain which formula (sin, cos, or tan) would be used to solve this and... (answered by Alan3354)
picture with right triangle showing 17ft ladder reaches a window 15ft above ground how... (answered by solver91311)
The angle of elevation from a boat to the top of a 70 m high coastal hotel is 10 degrees? (answered by Fombitz)
the bottom of a 16 foot ladder makes an angle of 66 degrees with the ground. how far is... (answered by mananth)
A ladder of length 8m rests against a wall so that the angle between the ladder and the... (answered by Alan3354)