71,523 views
34 votes
34 votes
If the side of an equilateral triangle is 3.5cm. Perimeter od triangle is _____ cm.​

User Adam James
by
2.7k points

2 Answers

16 votes
16 votes

Answer: Perimeter = 10.5 cm

Explanation:

Concept:

Here, we need to know what is an equilateral triangle.

An equilateral triangle is a triangle in which all three sides have the same length.

Perimeter = 3a

a = side length

If you are still confused, please refer to the attachment below for a graphical explanation.

Solve:

a = 3.5 cm

Given formula

Perimeter = 3a

Substitute the value into the formula

Perimeter = 3 (3.5)

Simplify

Perimeter = 10.5 cm

Hope this helps!! :)

Please let me know if you have any questions

If the side of an equilateral triangle is 3.5cm. Perimeter od triangle is _____ cm-example-1
User Pooja Aggarwal
by
3.3k points
13 votes
13 votes

If the side of an equilateral triangle is 3.5cm. Perimeter od triangle is 10.5_ cm.

User Sashkello
by
2.9k points