Finding Area of Missing Sides

Which of the following choices represents the correct process for finding the missing side of the right triangle?

• 
• 
• 

Find the length of b.

• 16 cm

• 32 cm

• 38 cm

• 64 cm

Megan was trying to find the missing side of the right triangle. Which of the following choices best describes her mistake?

• She should have added 5 and 13 to get 18.

• She should have subtracted 13 and 5 to get 8.

• She should have subtracted 5² from 13².

• She should have multiplied 5² and 13².

Find the side length of x.

• 3 mi

• 9 mi

• 15 mi

• 21 mi

Find h

• 6

• 2/3

• 3

• 5

Find x

• 6

• 7.5

• 10

• 12

Find the missing length x, in the picture.

• 3

• 9

• 10

• 12

If the scale factor is 3, how many times bigger will the area get?

• 3

• 1/3

• 9

• 1/9

A square has side lengths of 5 inches.

A scale drawing of that square is created with an area that is 9 times bigger than the original.

Draw and label the side lengths of the scale drawing of the square that has an area that is 9 times bigger than the original.

Find the area of the parallelogram.

• 42

• 21

• 84

• Impossible to determine with the information given.