Question

the side of a square is 20m. find the cost of fencing it at RS.15 per square metre

Answer 1

ar(sq)=a2
=20×20=400
cost of fencing=400×15
=₹6000

Answer 2

Answer:

RS. 600

Step-by-step explanation:

Step 1: First we find the area of the square:

FORMULA: Side x Side

=20 x 20= 40m²

Step 2: Cost of fencing 1m²: RS.15

            Cost of fencing 40m²: 40 x 15

                                                =RS. 600