A 13-foot ladder is placed against a vertical wall. The base of the ladder is 5 feet away from the wall. How high up the wall does the ladder reach?

Question

BrainForge Quiz · Accepted Answer

C) 12 feet. This is a right triangle problem. Use the Pythagorean theorem: a² + b² = c². Let 'h' be the height. 5² + h² = 13². 25 + h² = 169. h² = 144. Therefore, h = 12 feet.

A 13-foot ladder is placed against a vertical wall. The base of the ladder is 5 feet away from the wall. How high up the wall does the ladder reach?

✓ Correct Answer: Option C

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