A 40 ft ladder leans against a wall so the base of the ladder is 11 feet away from the base of the wall . What angle does the ladder make with the wall?

Question

A 40 ft ladder leans against a wall so the base of the ladder is 11 feet away from the base of the wall .  What angle does the ladder make with the wall?

Dylan · Answer

i believe that you set it up like cos(x)= a/h a= 11 feet h= 40 feet then you take the inverse cos of 11/40

K · Answer

The base of a right rectanglar prism is 12 cm by 8 cm. The height is 5 cm. Find its surface area.