Geometry
posted by Marceo .
Find the area of the isosceles trapezoid with lower base 18cm, legs 6cm and base angles 30 degrees

Geometry 
Reiny
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
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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