Pythagorean Theorem Does It Make a Right Triangle

Which set of sides would make a right triangle?

• 4,5,6

• 8,10,12

• 5,12,13

• 5,10,12

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

Why is it not possible to make a right triangle using lengths of 10 feet, 60 feet, and 65 feet?

• 10 + 60 is greater than 65

• 65 - 60 does not equal 10

• 10² + 60² does not equal 65²

• (10 + 60)² does not equal 65²

Which set of three numbers can be used to make a right triangle?

• 36, 77, 85

• 36, 72, 80

• 39, 80, 89

• 39, 45, 75

If the Pythagoras property holds, the triangle must be _____

• right angled

• acute angled

• obtuse angled

A triangle has sides with lengths of 39 centimeters, 80 centimeters, and 89 centimeters. Is it a right triangle?

• Yes

• No

How far above the ground doe the ladder touch the building?

Mathematical Equivalence

ON

Which measurement is closest to the value of d in inches?​ (a)  

• 14.3 in.

• 6.3 in.

• 4.0 in.

• 19.8 in.

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

• Yes

• No

• Maybe

• Pythagoras

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

• Yes

• No

• Maybe

• Pythagoras