Question

42 The perimeter of an equilateral triangle is 60 cm. The
length of its one side is-​

Answer 1

Answer:

20cm

Step-by-step explanation:

in an equilateral triangle, all sides are equal.

sum of sides(perimeter) = side + side + side

perimeter = 3*side

side = perimeter/3 = 60/3 = 20cm

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Answer 2

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➡️In a triangle , there are three sides.

➡️In an equilateral triangle ,all sides are equal.

➡️ Perimeter of triangle = Sum of all side of triangle.

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Let the side of triangle is x cm.

It is given that :

Perimeter of triangle = 60cm

Sum of all side = 60cm

x + x +x = 60

3x = 60

x = 60/3

x = 20cm

↪️Hence, length of one side of equilateral triangle is 20cm↩️

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