HW 23

_{^{Find the missing side}}

• 36
• 76.8
• 12
• 40

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

• 25 feet
• 26 feet
• 27 feet
• 28 feet

Determine the length of the missing side.

• 7

• 8

• 17

• 23

The size of a television screen is measured by the length of the diagonal of the screen.  What size is a television screen that is 3 feet tall and 6 feet wide?

• 18
• 6.7

• G
• O
• E
• X

_{^{Find the missing side}}

• 37
• 17.66
• 6
• 312

Elizabeth is trying to find the missing side length. Here is her work. What mistake did she make?

• She added incorrectly. 3+4 is not 7.

• She added the side lengths instead of the areas. She should square 3 and 4 BEFORE adding.

• She used the wrong hypotenuse. 4 is the longest side.

• She should multiply 3 and 4 to get 12.

What is the missing side length?

• 25 units

• 5 units

• 7 units

• 12.5 units

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

Marvin's son is 3 ft tall. He casts a shadow of 1 foot. Marvin casts a shadow of 2.5 ft. How tall is Marvin?

• 3 ft
• 7.5 ft
• 1.2 ft.
• 0.8 ft.