Question

a rope 13m long from the top of a flagpole will just reach a point on the ground 9m from the foot of the pole. Find the height of the flagpole

Answer 1

draw a diagram



you need to use pythagoras' theorem as you are dealing with a right triangle

Answer 2

^correct. nice drawing

Answer 3

pythagorean theorem: \[a ^{2}+b ^{2}=c ^{2}\]
in which the sides of the triangle are a, b, and c.

Answer 4

I solve the problem thank you all for your help