Question

if perimeter of a square 42 cm then find its area ​

Answer 1

Answer:

Area = 110.25

Step-by-step explanation:

Given,

Perimeter = 42cm

As, Perimeter = 4 x s,

42 = 4 x s

42/4 = s

10.5 = s

Now Area,

Area = s x s

10.5 x 10.5

= 110.25

Answer 2

Answer: 110.25 cm²

Step-by-step explanation: 4 x side= 42cm

side=10.5 cm

Area =side x side => Area=10.5 x 10.5= 110.25 sq.cm