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Here are some tips for Quadrilateral Angles, which aligns with Arizona 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

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