Ch. 7 Review

The Pythagorean Theorem is
c² = a² - b²  

• false
• true

Sides a and b are called legs.

• true

• false

Side c on a right triangle is ALWAYS the longest.

• true

• false

_{^{Find the missing side}}

• 9
• 41
• 6.4
• 6.2

Do the segment lengths 15, 12, and 9 form a right triangle?

• Yes
• No
• Maybe
• Pythagoras

Find the length of the missing side. 

• 25 cm
• 42 cm
• 52 cm
• 48 cm

Tags

CCSS.8.G.B.7

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Tags

CCSS.8.G.B.8

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

What is the length of y in this picture?

• 45
• 5√2
• 90
• 5

Tags

CCSS.HSG.SRT.C.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