Classify a triangle with sides 4, 6, 9

Step by step

The question

Question: find what kind of triangle has sides 4, 6, 9.

1 Compare the sides

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

4, 6 and 9: no two sides are the same.

Different marks show different sides.

Careful!

Scalene means every side is different.

2 Name it

So the triangle is scalene.

3 Check

Let's check: count the equal sides on the picture: 0.

That is scalene.

Let's look back.

First: compare the sides.

Then: name it.

Last: check.