Pythagorean Theorem - Quick Check

In a right triangle, the side opposite of the right angle is called the

• hypotenuse

• altitude

• legs

• bisector

What is the length of x?

• 5
• 7
• 8
• 25

Tags

CCSS.8.G.B.7

what is the formula for finding the hypotnuse?

• a²⁺b²=c²
• a+b=c
• a-b=c
• c-a=c

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

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Tags

CCSS.8.G.B.8

If a right triangle has side lengths 6, 6.7 and 3, which side is the hypotenuse?

• 6

• 6.7

• 3

• 15.7

• None of them

Tags

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

Sides a and b are called legs.

• true

• false

Tags

CCSS.HSG.SRT.C.8

Which equation can be used to solve for "x"?

• 15² – x² = 21²

• x² – 15² = 21²

• 15² + 21² = x²

• 21² – 15² = x²

Tags

CCSS.8.G.B.7

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

Which diagram best represents the problem?

• 
• 
• 
• 

Tags

CCSS.8.G.B.8

You need a ladder that will reach up a 25 foot tall house when placed 10 feet away from the house. How tall does the ladder need to be?

Which equation could be used to solve the problem?

• $25^2+10^2=c^2$

• $25^2+b^2=10^2$
  

• $a^2+10^2=25^2$
  

• $10^2+b^2=25^2$
  

Tags

CCSS.8.G.B.8