Tuesday
May 5, 2015

Homework Help: math

Posted by Brianna on Sunday, December 12, 2010 at 2:19pm.

can someone please answer these questions for me?:

1. if the measure of an interior angle of a regular pentagonis 108 degrees, then the angle sum of that regular pentagon must be:
A. 120 degrees
B. 360 degrees
C. 540 degrees
D. 720 degrees

2. is it possible for a parallelogram to have a 38 degree angle and a 145 degree angle? explain please

3. a rectangle has a perimeter of 24 centimeters. one of its sides is 8 centimeters long. what are the dimensions of the rectangle? explain please

4. is it possible for a triangle to have angles with measures of 40 degrees, 115 degrees and 30 degrees? please explain

thanks :D sorry if theres soo many questions, i just really need help

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