Classify a triangle with sides 7, 7, 7

Step by step

The question

Question: find what kind of triangle has sides 7, 7, 7.

1 Compare the sides

There are three names, from how many sides are equal.

All three sides are 7.

They are all equal.

Marks show the equal sides.

Careful!

All three equal has its own name: equilateral.

2 Name it

So the triangle is equilateral.

3 Check

Let's check: count the equal sides on the picture: 3.

That is equilateral.

Let's look back.

First: compare the sides.

Then: name it.

Last: check.