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marin [14]
3 years ago
12

Please answer!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
mezya [45]3 years ago
4 0

Answer:

D

Step-by-step explanation:

You have 2 5 12 13 right triangles.

x = 2 * 5

x = 10

Pepsi [2]3 years ago
3 0

Answer:

D. x=10

Step-by-step explanation:

You can use the Pythagorean Theorem, a^2+b^2=c^2, where a and b are the legs and c is the hypotenuse.

12^2+b^2=13^2\\144+b^2=169

<em>Subtract 144 from both sides</em>

b^2=25

<em>Square root both sides</em>

b=5

2b=x\\b=5\\x=10

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