geometry

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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 -

    Do you really think we can see this (with our crystal ball)?

  • geometry -

    •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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