A piece of string is 30 cm long. What will be the length of each side if the string is used to form: (a) a square? (b) an equilateral triangle? (c) a regular hexagon?

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Nikhil Reddy

(a) Perimeter = 4 × Side 30 = 4 × Side Side = (b) Perimeter = 3 × Side 30 = 3 × Side Side = (c) Perimeter = 6 × Side 30 = 6 × Side Side =
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(a) Perimeter = 4 × Side 30 = 4 × Side Side = (b) Perimeter = 3 × Side 30 = 3 × Side Side = (c) Perimeter = 6 × Side 30 = 6 × Side Side = read less
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(a) Let x cm be the length of each side of the square. Perimeter of the square = 30cm ⇒ 4x = 30cm ⇒ x = 30/4 cm = 7.5cm. ∴ length of each side of the square = 7.5cm. (b) Let each side of the equilateral triangle be x cm. Perimeter of the equilateral triangle = 30cm ⇒ 3x = 30cm ⇒...
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(a) Let x cm be the length of each side of the square. Perimeter of the square = 30cm ⇒ 4x = 30cm ⇒ x = 30/4 cm = 7.5cm. ∴ length of each side of the square = 7.5cm. (b) Let each side of the equilateral triangle be x cm. Perimeter of the equilateral triangle = 30cm ⇒ 3x = 30cm ⇒ x = 30/3cm = 10cm. ∴ each side of the equilateral triangle = 10cm. (c) Let each side of the regular hexagon be x cm. Perimeter of the regular hexagon = 30cm. ⇒ 6x = 30cm ⇒x = 30/6 cm = 5cm. ∴each side of the regular hexagon = 5cm. read less
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I completed by btech i am a trained and experienced teacher with merit certifications

(a) Perimeter = 4 × Side 30 = 4 × Side Side = (b) Perimeter = 3 × Side 30 = 3 × Side Side = (c) Perimeter = 6 × Side 30 = 6 × Side Side = read less
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(a) Perimeter = 4 × Side 30 = 4 × Side Side = (b) Perimeter = 3 × Side 30 = 3 × Side Side = (c) Perimeter = 6 × Side 30 = 6 × Side Side = read less read less
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