Question

find the area of the square whose perimeter is 40 cm

Answer 1

Answer:

Perimeter = 40 cm

Side = s

Perimeter = 4 x s

40 cm = 4 x s

s = 40/4

side = 10 cm

Area = s x s

Area = 10 cm x 10 cm

Area = 100 cm square

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Answer 2

Answer: 100 cm^2

Step-by-step explanation:

Perimeter of a square = 4 × side

40 = 4×side

Side = 40÷ 4

= 10cm

Now, area of square = side × side

= 10 × 10

= 100 cm^2