Pythagorean Theorem in the Real World

Your family wants to purchase a new laptop with a 17" widescreen. Since the 17 inches represents the diagonal measurement of the screen (upper corner to lower corner), you want to find out the actual dimensions of the laptop. When you measured the laptop at the store, the height was 10 inches, but you don't remember the width. Calculate the width of the laptop to the nearest tenth of an inch.

• 7 inches

• 10 inches

• 19.7 inches

• 13.7 inches

What is the diagonal length of the iPad?

• 9.2 in

• 11 in

• 13 in

• 9.6 in

Two cyclists start from the same location. One cyclist travels due North for 6 miles and the other due east for 8 miles. How far apart are the two cyclists? __________ miles apart

What is the length of segment MN? Round to the nearest tenth.

• 5.4

• 14.5

• 19.6

• 23.0

What is the length of segment AD?

• 3

• 4

• 5

• 6

Determine the unknown leg length. Round your answer to the nearest tenth if necessary.

• 11

• 12

• 13

• 14

Determine the unknown leg length. Round your answer to the nearest tenth if necessary.

• 81

• 18

• 19.2

• 9

Determine the unknown leg length. Round your answer to the nearest tenth if necessary.

• 125

• 11.2

• 8.7

• 75

• 8.5

• 90

• 72

• 9.5

Gray is building braces for a shelf. He will attach each brace to the front edge of the 6-inch shelf and 3 inches down the wall. How many total inches is needed to make one brace? (Be sure to round your answer to the nearest tenth if necessary)

• 45 inches

• 6.7 inches

• 15.7 inches

• 20.1