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kaheart [24]
2 years ago
15

Help asap please, forgot how to do math :)

Mathematics
2 answers:
kherson [118]2 years ago
5 0

Answer:

11.4

Step-by-step explanation:

Pythagorean theorem

7^{2} + 9^{2} = x^{2}

49 + 81 = x^{2}

130 = x^{2}

11.4 = x

Sergio039 [100]2 years ago
3 0

Answer:

x = 8

Step-by-step explanation:

A common pythagorean triplet is 7, 8, 9

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