Homework Help: geometry

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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