Pythagorean Theorem Review

Side a on a right triangle is ALWAYS the longest side.

• true
• false

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Sides a and b are called legs.

• true

• false

Side c on a right triangle is ALWAYS the longest.

• true

• false

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

• 15² – x² = 21²

• x² – 15² = 21²

• 15² + 21² = x²

• 21² – 15² = x²

Name the longest side of a right triangle.

• leg a
• leg b
• leg 
• hypotenuse

Determine the length of the missing side.

• 7

• 8

• 17

• 23

Find the length of the missing side. 

• 20 in.
• 68 in.
• 16 in.
• 80 in.

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right