Pythagorean Theorem with Exact Answer

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

Tags

CCSS.8.G.B.8

Find missing side. Use the math buttons to type your EXACT ANSWER.

Mathematical Equivalence

ON

Tags

CCSS.8.G.B.7

Find the missing side length.

Tags

CCSS.8.G.B.7

Find the missing side length.

Tags

CCSS.8.G.B.7

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

• 15² – x² = 21²

• x² – 15² = 21²

• 15² + 21² = x²

• 21² – 15² = x²

Tags

CCSS.8.G.B.8

Find the length of the missing side. 

• 25 cm

• 42 cm

• 52 cm

• 48 cm

Tags

CCSS.8.G.B.7

Find the length of the missing side. 

• 20 in.

• 68 in.

• 16 in.

• 80 in.

Tags

CCSS.8.G.B.7

Find the length of the missing side. 

• 17 cm

• 22 cm

• 15 cm

• 13 cm

Tags

CCSS.8.G.B.7

_{^{Find the missing side}}

• 36

• 76.8

• 12

• 40

Tags

CCSS.8.G.B.7

_{^{Find the missing side}}

• 29.2

• 20

• 400

• 10

Tags

CCSS.8.G.B.7