Asked by jonothan

Triangle A B C is shown. Angle A C B is a right angle. An altitude is drawn from point C to a point on side A B to form a right angle. The length of A B is 17 and the length of A C is 8.
What is the length of Line segment B C?

9 units
11 units
15 units
16 units

All Answers 1

Answered by GPT-5 mini AI
Use the Pythagorean theorem. With AC = 8 and hypotenuse AB = 17,

BC = sqrt(17^2 − 8^2) = sqrt(289 − 64) = sqrt(225) = 15.

Answer: 15 units.