Math Practice Online: MathScore.com

Math Practice Online > free > lessons > New York > 7th grade > Quadrilateral Angles

If your child needs math practice, click here.

For sample problems, click here.
Here are some tips for Quadrilateral Angles, which aligns with New York state standards:

Quadrilateral Angles


The sum of the angles of a quadrilateral is always 360o.


Example:

? =
Step 1. Add up the given angles.
    77 + 105 + 76 = 258

Step 2. Subtract the answer from Step 1 from 360.
    360 - 258 = 102

? = 102 degrees

Copyright Accurate Learning Systems Corporation 2008.
MathScore is a registered trademark.