62 + b2 = 102

Question

62 + b2 = 102

Answer 1

do you mean 6²+b²=10² ??

if so,...

36+b²=100

b²=100-36

b²=64

√b²=√64

±b=8

b=±8 (if you are working with the Pythagorean Theorem, use +8 only)