Mastering the Pythagorean Theorem

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

Find the length of the missing side. 

• 17 cm

• 22 cm

• 15 cm

• 13 cm

Is this a right triangle?

• Yes

• No

Is this a right triangle?

• Yes

• No

Which of the following triangles is a right triangle?

• A triangle with sides 3, 4, and 5

• A triangle with sides 5, 5, and 5

• A triangle with sides 6, 8, and 10

• A triangle with sides 7, 24, and 25

Calculate the length of the hypotenuse of a right triangle with legs of length 9 and 12.

• 15

• 16

• 18

A ladder is leaning against a wall. The base of the ladder is 6 feet away from the wall, and the ladder reaches a height of 8 feet on the wall. How long is the ladder?

• 10 feet

• 12 feet

• 14 feet

• 15 feet

If a right triangle has a hypotenuse of length 13 and one leg of length 5, what is the length of the other leg?

• 10

• 12

• 8

• 9

A square has a diagonal of length 10. What is the length of each side of the square?

• 5

• 7

Which of the following sets of side lengths can form a right triangle?

• 8, 15, 17

• 9, 12, 15

• 7, 24, 26

• 10, 24, 26