Pythagorean Theorem

Which statement best expresses your knowledge of the Pythagorean Theorem?

• I already knew how to do this

• I didn't remember this but I think I understand after watching the video

• I watched the video but I still don't think I understand it

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse
• scalene
• isosceles
• right

Label each side of the right triangle.

a

b

c

Leg

Leg

Hypotenuse

Tags

8.7.C

Level 1

If a right triangle has side lengths 6, 7 and 3, which side is the hypotenuse?

• 6

• 7

• 3

• 49

• 9

Which equation will help you find the missing side?

What is the final step in solving this work for c?
a² + b² = c²
3² + 4² = c²
9 + 16 = c²
25 = c²

• Divide both sides by 2
• Take the square root of both sides

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm

Find the length of the missing side. 

• 20 in.
• 68 in.
• 16 in.
• 80 in.

^{Find the missing side}

• 11

• 61

A rectangular pool at Andy's gym measures 25 m by 50 m. How far would Andy swim if he swims across the pool diagonally?

• 5 m

• 8.7 m

• 43.3 m

• 55.9 m