Question

A piece of string is 30 cm long. What will be the length of each side if the string is used to form a square?​

Answer 1

Answer:

7.5 cm

Step-by-step explanation:

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Answer 2

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Length of string = Perimeter of each figure 

(a) Perimeter of square = 30 cm 

⇒ 4 x side = 30 cm

  ⇒ side = 30/7 = 7.5 cm

Thus, the length of each side of square is 7.5 cm. 

(b) Perimeter of equilateral triangle = 30 cm 

⇒ 3 x side = 30 cm

  ⇒ side = 30/3 = 10 cm 

Thus, the length of each side of equilateral triangle is 10 cm. 

(c) Perimeter of hexagon = 30 cm 

⇒ 6 x side = 30 cm 

⇒ side = 30/6 = 5 cm 

Thus, the side of each side of hexagon is 5 cm.