if a right triangle has a leg that is 3 cm long and the hypotenuse is 15 what's the other leg? Round your answer to the nearest tenth.
Using the Pythagorean theorem, we can find the length of the other leg:
a^2 + b^2 = c^2
3^2 + b^2 = 15^2
9 + b^2 = 225
b^2 = 216
b = √216
b ≈ 14.7 cm
Therefore, the length of the other leg is approximately 14.7 cm.