Question

The perimeter of an equilateral triangle is 153mm.
State the length of one of its sides.

Answer 1

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The lenght of each side of an equilateral triangle is 51mm.

Step-by-step explanation:

Equilateral triangle =3 sides. (all sides are equal)

Perimeter of the triangle= 153mm

Length of each side= 153mm÷3 => 51mm.

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p=3a.

(where p is for perimeter.)

To find the length of 1 side:

a= p÷3

Answer 2

Answer:

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