Finding Side Lengths of Triangles

Find the missing side. Triangle JKL is similar to triangle PQR.

• 24

• 54

• 18

• 72

Find the missing side. Triangle JKL is similar to triangle PQR.

• 6.5

• 26

• 8.7

• 19.5

Triangle ABC with side lengths 5, 12, and 13 will be dilated with a scale factor of 3. What will be the side lengths of the dilated triangle?

• 8, 15, 16

• 15, 36, 39

• 15, 24, 39

• 8, 36, 45

Triangle CDE with side lengths 12, 16, 20 will be dilated by a scale factor of 1/4. What will be the side lengths of the dilated triangle?

• 8, 12, 16

• 48, 64, 80

• 3, 4, 5

• 6, 8, 10

How long is side length s?

• 15

• 12

• 9

• 3

What's the hypotenuse?

• 9

• 10.2

• 5

The a and b in this equation, a²+b²=c², refer to what part of a triangle?

• The right angle

• legs

• hypotenuse

• answer

The c in this equation, a²+b²=c², refers to what part of a triangle?

• The right angle

• legs

• hypotenuse

• answer

What is the hypotenuse?

• 6.2

• 5.4

• 8.2

Which side is the hypotenuse?

• 5

• 12

• 13