Find the area of the region bounded by the ellipse whose equation is
问题描述：
Find the area of the region bounded by the ellipse whose equation is
x^2/a^2+y^2/b^2=1
Let a and b be positive numbers.
答
The area of an ellipse in the form (x*x/a*a)+(y*y)/(b*b)=1 is
A=pi*a*b.(pi = 3.14)