Pythagorean Theorem

What is a right triangle?

• A triangle where all sides equal 90 degrees

• A triangle where every angle is 90 degrees

• A triangle where all three sides are equal

• A triangle where there is a 90 degree angle

What letter represents the hypotenuse?

• a

• b

• a and b

• c

Hypotenuse

• Vertical side in a right triangle

• Longest side in a right triangle

• Horizontal side in a right triangle

• a² + b² = c²

Which choice represents the legs?

• a and b

• a

• b

• c

The Pythagorean Theorem is _________

• a + b = c

• a² + b² = c²

• a² + b² + c²

• A = LW

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

• 15² – x² = 21²

• x² – 15² = 21²

• 15² + 21² = x²

• 21² – 15² = x²

Determine the length of the missing side.

• 7

• 8

• 17

• 23

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

• Yes
• No
• Maybe
• Pythagoras

Does the set of numbers represent a right triangle?

20, 25, 15

• Yes

• No

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right