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Use the coordinate plane to help you identify the length of each leg then use the Pythagorean Theorem to find the length of CD

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Use the coordinate plane to help you identify the length of each leg then use the-example-1

1 Answer

9 votes

Answer:

Length of CD: 10.2956

Explanation:

The length of the horizontal is 9. The length of the vertical is 5. Plug these two into the pythagorean theorem:
9^2+5^2=(CD)^2 which simplifies to:
106 = (CD)^2. That simplifies to 10.2956

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