Verify the following are the sides of a triangle (AB 5.5 PQ 4.5 BC 4cm QR 6.5cm A 8cm PR 8cm

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

Can someone explain to me how to do

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?