Question

a ladder leans against the side of a house makes a angle of 60° with the ground. the foot of the ladder is 7 ft from the house. how long is the ladder

Answer 1

From your knowledge of equilateral triangles, you know that an altitude is also a median. The long side of a 30°-60°-90° triangle is twice the length of the shortest side.

The ladder is 14 ft long.