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Marta_Voda [28]
3 years ago
12

Please help asap. thanks

Mathematics
2 answers:
Lilit [14]3 years ago
5 0
7^2+x^2 = 9^2
49+x^2=81
x^2=81-49
x^2=32
x=square root of 32
sergeinik [125]3 years ago
4 0

Answer:

4\sqrt{2}

Step-by-step explanation:

use pythagoeron theorem

9^2-7^2=x^2

x^2=32

x=4\sqrt{2}

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