Question

A ladder leaning against a wall makes a 60° angle with the ground. The base of the ladder is 2m from the building. How high above the ground is the top of the ladder?

Answer 1

Answer:

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Answer 2

the surface , ladder and the wall can form a triangle

the angle between the ladder and the wall is 60°

the angle between the wall and surface is 90°

now we have to now the third angle

sum of angles in a triangle is 180°

let third angle = x

so,60°+90°+ x =180°

150°+ x = 180°

x =180°-150°

x =30°