Is #30 no solution, or did i mess up?

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter