Question

argent please solve the question..Area and Volume​

Answer 1

Step-by-step explanation:

a.) Area of photos = 3x4 = 12cmsq. (i.e Length x breadth)

Area of poster= 20x12= 240cmsq.

No. of photos which can be fitted are = 240÷12=20

Ans-20 photos are required to cover the poster.

b.) Area of sheets 20x5 =100 square inches

Area of wall = 200x200 =40000square inches

No. of sheets required = 40000÷100 = 400

Ans- 400 sheets are required to cover a wall.

c.)Area of one child painting= 12 x 12 =144 square inch

Area of wall needed to paint = 48 x 12 =576

No. of children require =576÷144=4

Ans-4 children are required to paint a wall.

Answer 2

Answer:

answer 4 children are required to paint a wall