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

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) (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) (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.
RELATED QUESTIONS
How do you find the exact area of a circle? (answered by jcon16)
How do you find the area of a... (answered by jim_thompson5910,stanbon)
My question is how do you find the area of a circle and the circumference of a circle?? (answered by richard1234)
How do you find the radius and area of the circle. The circumference of a circle is 4... (answered by lenny460)
how do you find the area and circumference of a... (answered by vleith)
How do you find the area of a rectangle having only the width and the... (answered by Fombitz)
How do you solve for the dimensions of a rectangle given it's area of 160 and it is... (answered by scott8148)
how do you find the length and width of a rectangle that area is 60 ft (answered by jsmallt9)
What is the circumferance of a... (answered by Edwin McCravy)