Question

What is a^2 + 8^2 = 17^2
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Answer 1

The first person was correct your answer is 16

Answer 2

a^2+8^2=17^2

That also means:
a^2= 17^2-8^2
a^2=289-64
a^2= 225
a= the square root of 225, which is 15

a= 15 (i think)

so sorry if i’m wrong btw!