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prestonshelton
Hello!

You can use the Pythagorean Theorem

[tex]a^{2} + b^{2} = c^{2} [/tex]

c is the hypotenuse which is the side across the right angle
a and b are the other sides

Put in the values you know

[tex] a^{2} + 5^{2} = 12^{2} [/tex]

Square the numbers

[tex]a^{2} + 25 = 144[/tex]

Subtract 25 from both sides

[tex] a^{2} = 119[/tex]

Take the square root of both sides

a = 10.9

The answer is D) 10.9 centimeters

Hope this helps!
jacob11116

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prestonshelton

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231K people helped

Hello!

You can use the Pythagorean Theorem

c is the hypotenuse which is the side across the right angle

a and b are the other sides

Put in the values you know

Square the numbers

Subtract 25 from both sides

Take the square root of both sides

a = 10.9

The answer is D) 10.9 centimeters

Hope this helps!

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