Question

Perimeter of a square picture’s frame is 81 sq.cm. What is the length of each side?
What is its area?

Answer 1

Answer:

Step-by-step explanation:

Perimeter of square is 81

Side

= 4s = 81

= s = 81/4

= s =20.25

Area = Side x Side

= 20.25 x 20.25

= 410.0625 cm²

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Answer 2

Given :-

• Perimeter of the Square frame = 81cm

To Find :-

• Length of each side
• Area of Square frame

Solution :-

⇒ Perimeter of Square = 4 × Side

⇒ 81 = 4 × Side

⇒ 81/4 = Side

⇒ 20.25 = Side

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⇒ Area of Square = (Side)²

⇒ Area of Square = Side × Side

⇒ Area of Square = 20.25 × 20.25

⇒ Area of Square = 410.06cm²

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∴ Side of Square Frame = 20.25cm

∴ Area of Square Frame = 410.06cm²

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