Posted by **Anonymous** on Saturday, September 14, 2013 at 11:36pm.

360 degree Parallelogram, A&D have same measures, B&C have same measures. C is four time the measure of A. What is

<A

<B

<C

<D

- dma 040 -
**Steve**, Sunday, September 15, 2013 at 6:25am
Interesting. In view of the fact that the angles are usually lettered in clockwise or counter-clockwise sequence, that means that <A is opposite <C, so since <A+<D = 180, both are right angles, and the figure is a rectangle.

If in fact <A is opposite <D, then

A+B = 180

x+4x = 180

x = 36

<A = <D = 36

<B = <C = 144

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