SOLUTION: how do you find the area of a rectangle and circle? or a mosltly a oval?

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Question 414779: how do you find the area of a rectangle and circle? or a mosltly a oval?
Found 2 solutions by rfer, richard1234:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
rectangle A=LW
circle A=pir^2
elipse A=(2pi)/(sqrt (4ac-b^2))
The a, b, c are the same as the quadratic formula

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Area of rectangle = LW
Area of circle = pi*r^2
Area of ellipse = ab*pi, where a,b are major and minor axes.