Question

A-5 m long ladder when set against the wall of a house reaches a height of 4.8 m how far is the foot of the ladder from the wall​

Answer 1

Answer:

There by Pythagoras theorem

AB²=AC²-BC²

AB²=5²-4.8²

AB²=25-23.04

AB=√1.96

AB=1.4m

there,the ladder have to be 1.4m long form the wall