Unit 8 More Practice

To find the height of a tree, Wyatt places a mirror so that he can see the top of the tree in the mirror. The mirror is 10 ft from him and 30 ft from the tree. If Wyatt is 5.5 ft tall, how tall is the tree?

• 16.5

• 15

• 55

• 40

• 61

• 9

• 42

• 18

Solve for X.

• -7

• 24

• 17

• 8

Solve for Y.

• -7

• 24

• 17

• 4

A 40 cm tomato plant casts a 25 cm shadow. How tall is the corn stalk if its shadow is 280 cm long?

• 65

• 56

• 9000

• 448

Cristina wants to measure the height of a building. She places a mirror between herself and the building. She can see the top of the building in the mirror. If the mirror is 10 m from Cristina, who is 2m tall, and 16 meters from the building. How tall is the building?

• 3.2

• 6

• 12

• 6.4

Solve for X.

• 60

• 36

• 22

• 45

• 15

• 54

• 40

• 16

Solve for X.

• 3

• 6

• 12

• 18

Solve for Y.

• 3

• 6

• 12

• 18