Need the answer and work to number 3 ASAP test is timed

5

We use the Pythagorean Theorem

a(2) + b(2) = c(2)

We know c = 13, and a = 12

So,

12(2) + b(2) = 13(2)

144 + b(2) = 169

Move 144 over the = sign

b(2) = 169 - 144

b(2) = 25

Square root of 25 = 5

5 is your base!

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step-by-step explanation:

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