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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