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A triangle has a side length of 5.4 and 7 x x=​

A triangle has a side length of 5.4 and 7 x x=​-example-1

1 Answer

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Answer:

D. 8.8

Explanation:

As the pythagorean theorem.

A² + B² = C²,

5.4 × 5.4 + 7 × 7 = C²,

29.16 + 49 = C²,

78.16 = C²,

8.8 ≈ C

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