Question

Find the area of a square whose perimeter is 86 centimetre. ​

Answer 1

Answer:

Perimeter = 86cm

Side = 86/4

= 21.5cm

area of square = side × side

= 21.5 × 21.5

= 465.25cm square

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Answer 2

Answer:

perimeter of square = 4*length

but perimeter is given 86 cm.

Therefore 4*length = 86

therefore length = 86÷4

therefore length = 21.5cm

now area of square = length*length

therefore

area of square = 21.5*21.5

thus the area of square is 462.25cm^2