IXL | Name, measure, and classify angles | 7th grade math

or

Look at this angle:

K

J

I

Name this angle:

ref_doc_title.

or

Learn with an example

question

Look at this angle:

W

V

U

Name this angle:

key idea

Name an angle using the vertex and one point on each ray. The vertex is always the middle point.

You can also name an angle using just the vertex.

solution

In this angle, the vertex is

W

:

W

V

U

Name the angle using the points

V

,

W

,

and

U

.

The symbol ∠ means

angle,

so it is written first. Be sure to write the vertex in the middle:

∠

VWU

and

∠

UWV

You can also name the angle using just the vertex:

∠

W

Looking for more? Try these:

Lesson: Types of angles

Lesson: Measuring angles with a protractor

or

$Confetti$

Excellent!

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Teacher tools

Work it out

Not feeling ready yet? These can help:

KK.1Acute, right, obtuse, and straight angles

KK.6Measure angles with a protractor

DD.4Name angles

Lesson: Types of angles

Lesson: Measuring angles with a protractor