73.2k views
3 votes
The perimeter of an equilateral triangle is 21cm, find its length

2 Answers

2 votes

Answer:

7cm is the length for each side of an equalateral triangle

User WordSmith
by
5.3k points
5 votes

Answer:

7 cm

Explanation:

An equilateral triangle has all sides equal.

To find the measure of the side, simply divide the perimeter by 3. This is because a triangle has 3 sides.

21 ÷ 3 = 7

User Mfs
by
5.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.