1.

The perimeter of the floor of a room is 18 m and its height is 3 m. What is the areaof the room?(a) 21 m2(b) 42 m2(c) 54 m2(d) 108 m2

Answer»

Perimeter of rectangle =2(l+b)

18=2(l+b)

Then,

Area of four walls =2(l+b) *h

Area of four walls=18*3

Area of four walls =54m²



Discussion

No Comment Found