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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