Answer:
Step-by-step explanation:
Use the Pythagorean theorem:
leg² + leg² = hypotenuse²
We have
leg = 40in
hypotenuse = 41in
Let other leg = x.
Substitute:
x² + 40² = 41²
x² + 1600 = 1681 subtract 1600 from both sides
x² = 81 → x = √81
x = 9in
