Question 7
Aside of an equibteral triangles is 4.5 cm. Find its perimeter.
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The perimeter of an equilateral triangle = 13.5 cm
Step-by-step explanation:
Given,
The side of an equilateral triangle(a) = 4.5 cm
To find, the perimeter of an equilateral triangle = ?
We know that,
The perimeter of an equilateral triangle = 3 × Side, (a)
= 3 × 4.5 cm
= 13.5 cm
∴ The perimeter of an equilateral triangle = 13.5 cm
Thus, the perimeter of an equilateral triangle is 13.5 cm.
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