Answer:
b = sqrt(161)
Step-by-step explanation:
Since this is a right triangle, we can use the Pythagorean theorem
a^2 + b^2 = c^2
8^2 + b^2 = 15^2
64 + b^2 = 225
Subtract 64 from each side
b^2 = 225-64
b^2 =161
Take the square root of each side
sqrt(b^2) = sqrt(161)
b = sqrt(161)
