Unit 8 Review

Does the set of numbers represent a right triangle?

20, 25, 15

• Yes

• No

Tags

CCSS.8.G.B.8

Find the length of the missing side. 

• 25 cm
• 42 cm
• 52 cm
• 48 cm

Tags

CCSS.8.G.B.7

Which set of sides would make a right triangle?

• 4,5,6
• 8,10,12
• 5,12,13
• 5,10,12

Tags

CCSS.8.G.B.8

Can the sides of a triangle have lengths 3, 4, and 9?

• Yes
• No

Tags

CCSS.7.G.A.2

What is a possible third side to a triangle with side lengths of 5 and 5?

• 9
• 10
• 11
• 12

In this 45-45-90 triangle, I have been given a leg, so to find the other leg I...

• Multiply that leg by 2
• Use the same length for the second leg
• Multiply that leg by √2
• Divide that leg by √2

Tags

CCSS.8.G.B.8

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

• It is the same length as the given leg.
• Multiply that leg's length by √2.
• Multiply that leg's length by 2.
• Divide that leg's length by √2.

Tags

CCSS.8.G.B.8

What type of special triangle is this?

• 45°-45°-90°
• 30°-60°-90°
• Equiangular
• Equilateral

Tags

CCSS.4.G.A.2

What is the rule for a 45-45-90 triangle?

Tags

CCSS.8.G.B.8

Find x - the length of the hypotenuse of the triangle.

• 5
• 5√2
• 10
• 5√3

Tags

CCSS.HSG.SRT.C.8