Question

Solve for b.72bb = ✓ [?]Pythagorean Theorem: a2 + b2 = c2Enter

Answer 1

In order to determine the value of b, use the Pythagorean theorem:

7² = b² + 2²

solve the previous equation for b:

b² = 7² - 2²

b² = 49 - 4

b² = 45

b = √45

Hence, b = √45