q
The area of 4 walls of a room is 210square meter . If length is double it's breadth and the walls are 5m high find the area of the floor
Answers
Answered by
1
Answer:
let,length of wall be 2b cm and breadth be b cm.
height =5m
Area of four walls = 210 sq.km
2(2b+b)h=210 sq.cm
2(3b)5=210sq.cm
6b=210/5
6b=42
b=42/6=7cm
area of floor=length× breadth
=(2b×b)sq.cm
=(2×7×7)sq.cm
=98 sq.cm
Similar questions