Question

a pole 15 m long rests against a vertical wall at an angle of 60 degree with ground calculate high up the wall with the pole reach

Answer 1

We know hypotenuse =15m
we want to find wall height
therefore , we know sinx=Perpendicular/Hypotenuse
sin60°=P/15
0.866*15=P
12.990m=13m approx.

Answer 2

Dear Student,

● Answer -

The pole will reach 12.99 m high up the wall.

◆ Explanation -

# Given -

l = 15 m

θ = 60°

# Solution -

Let h be the height the pole reach upto the wall.

We have formula,

sinθ = h / l

sin60° = h / 15

h = 15 × sin60°

h = 15 × 0.866

h = 12.99 m

Hence, the pole will reach 12.99 m high up the wall.

Thanks dear. Hope this helps you...