Posted by **Anonymous** on Friday, March 25, 2011 at 10:21am.

Mr.soto drew a design for a quilting pattern. The design is made up of 5 congruent isosceles trapezoids as shown below. What is the measure, in degrees, of angle y?

- geometry -
**bobpursley**, Friday, March 25, 2011 at 10:45am
Do you really think we can see this (with our crystal ball)?

- geometry -
**juli**, Monday, April 23, 2012 at 4:23pm
•find the measure of one of the interior angles

180(3)/5 =108

•y is NOT the exterior angle

•use the formula:

360-a=2y

*where a= the measurement of 1 of the interior angles which is 108 in this case.

•so it would be:

360-108=2y

252=2y

252/2=y

126=y

•so y=126

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