Annie walks 15 feet away from her house and places a mirror on the ground. She backs 4 feet away from the mirror so that she can see the tip of the roof. Annie's eyes are 5 feet above the ground. The angles between the top of the house, the mirror, and the ground and between Annie's eyes, the mirror, and the ground are congruent as shown in the image:

Question

anonymous · Answer

attachment

anonymous · Answer

Part 1: Prove the triangles are similar.
Part 2: Determine the height of the house.

rishavraj · Answer

@CaseyCarns  they r similar by AA similarity...angle of incidence = angle of reflection...and 90=90

anonymous · Answer

You're the best!

rishavraj · Answer

tan theta = 5/4 = x/15

rishavraj · Answer

@CaseyCarns did u get the answer of the second part??