Posted by Marceo on Thursday, March 24, 2011 at 10:28am.
Find the area of the isosceles trapezoid with lower base 18cm, legs 6cm and base angles 30 degrees

Geometry  Reiny, Thursday, March 24, 2011 at 11:57am
To have a triangle the sum of any two sides must be greater than the third side
6+6 is not greater than 18
Your triangle cannot exist.

Geometry  Need Help, Thursday, April 14, 2011 at 8:05pm
The coordinates of the vertices of a polygon are R(4, 3), S(4, 7), T(5, 7), and V(5, 3). Find the area and determine whether it is a parallelogram, rectangle, or square.
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