Homework Help: quadrilaterals

Posted by deijah on Wednesday, February 20, 2013 at 9:00pm.

Robert drew a parallelogram with two 55-degree angles.What are the measures of the other two angles?

quadrilaterals - JJ, Wednesday, February 20, 2013 at 9:02pm
The sum of the angles = 360

paralleograms have pairs of equal angles.

You have 110 degrees so far.

Now can you find the other two angles?
quadrilaterals - Ms. Sue, Wednesday, February 20, 2013 at 9:04pm
(360 - 110)/2 = 125

http://www.mathsisfun.com/quadrilaterals.html

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