Question

the perimeter of a square grassy plot is 122m.Find the cost of cutting the grass at rs4 per sq. metre

Answer 1

4a=122
a=61/2
area = 61*61/4
total cost = rate * area
=4×61×61/4
= 61×61= ₹ 3721

Answer 2

side of square is 122÷ 4

so it is 30.5

area 30.5^2 = 930.25

930.25 × 4= ₹3721

plz mark as BRAINLEST