Is a Right Triangle

The legs of a right triangle are represented by a and b, and the hypotenuse of the right triangle is represented by c. Which equation represents the Pythagorean Theorem?

• a² + b² = c²

• a² + c² = b²

• a + b = c

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

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

• Yes

• No

• Maybe

• Pythagoras

What is the to correct set up to find the value of X in the picture above?

If the Pythagoras property holds, the triangle must be _____

• right angled

• acute angled

• obtuse angled

This is a right triangle because —

• it is facing the right way

• it has 3 acute angles

• it has one 90 degree angle

• it does not have one obtuse angle

What is the name for side c?

• head

• body

• hippopotamus

• hypotenuse

Side c on a right triangle is ALWAYS the longest.

• true

• false

Does the set of numbers represent a right triangle?

• Yes

• No

Which are part of a right triangle?

Check all that apply.

• right angle

• radius

• legs

• hypotenuse

• proportion