Similar Triangles and Indirect Measurements

• 20

• 30

• 25

• 23

Q1. What is the sum of 105 and 130?

• A) 205

• B) 105

• C) 230

• D) 135

• 15
• 13
• 11
• 17

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet

• 72 feet

• 36 feet

Are these triangles similar?

• Yes

• No

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet

• 72 feet

• 36 feet

• 8 feet

Are these triangles similar?

• Yes

• No

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet

• 72 feet

• 36 feet

Solve for f.

• 6

• 4

• 3

• 8

Gerald wanted to find the height of the flagpole at the entrance to his school. He used a mirror and recorded some measurements on a drawing. What is the height of the flagpole?

• 400 cm

• 900 cm

• 6 cm

• 4 cm