Is It a Right Triangle

Which set of sides would make a right triangle?

• 4,5,6
• 8,10,12
• 5,12,13
• 5,10,12

Which set of side lengths form a right triangle?

• 3, 4, 7
• 33, 56, 65
• 66, 72, 97
• 10, 15, 25

Which set of side lengths does not form a right triangle?

• 38, 80, 90
• 16, 63, 65
• 36, 77, 85
• 14, 15, 29

What is the formula used to solve for the hypotenuse?

• a²⁺b²=c²
• a+b=c
• a-b=c
• c-a=c

What is the longest side of a right triangle called?

• Leg A
• Leg B
• Hypotenuse
• Pythagoras' Big Buddy

Do three squares with side lengths of 6, 12, and 13 form a right triangle?

• Yes
• No

Isabella has sticks that are 10cm, 11cm, and 13cm long.  Can she place the sticks together to form a right triangle?  Justify your answer.

• No, because 10+11 does not equal 13
• No, because 100+121 does not equal 169
• Yes, because there is a small side, medium side and long side
• Yes, because a triangle has 3 sides

If three sides of a right triangle are 9, 40, and 41, which side is the hypotenuse?

• 9
• 40
• 41

a = 2.1, b = 7.2,
c = 7.5
Is this a right triangle?

• yes 
• no

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

• Yes
• No