Question

A ladder, 13 m long, is leaning against a wall of height 12 m. How far is the lower end of the ladder from the base of the wall

Answer 1

Answer:

5m

Step-by-Step Explanation

P=12m

H=13m

H²=P²+B²

169=144+B²

169-144=B²

25=B²

√25=B

5=B