math

Find the area of the following plane figure.

An ellipse has a major axis of 14 cm and a minor axis of 10 cm. Find its area.

Area (to the nearest tenth) =

1. 👍 0
2. 👎 0
3. 👁 279
1. Area of ellipse = abπ
where a and b are 1/2 of the axes respectively,
that is,
a = 7, b = 5

1. 👍 0
2. 👎 0
posted by Reiny

Similar Questions

1. Physics

An eight turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm. The coil lies in the plane of the screen and has a 6.10 A current flowing clockwise around it. If the coil is in a uniform

asked by Stefan on March 10, 2011
2. Physics

An eight turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm. The coil lies in the plane of the screen and has a 6.10 A current flowing clockwise around it. If the coil is in a uniform

asked by Stefan on March 10, 2011
3. Algebra II

Could someone please check these. For ellipse: (x-2)^2/49 + (y+1)^2/25 = 1 1.What is the major axis in equation form of this ellipse? The major axis is the x axis, so if the major axis is horizontal, the equation is based off the

asked by Tonya on November 5, 2011
4. geometry

The area of an ellipse in the form (x*x/a*a)+(y*y)/(b*b)=1 is A=3.14*ab. For this ellipse, a+b=20. a. write the area of the ellipse as a function of a. b. Find the equation of the ellipse with an area of 264 square centimeters. c.

asked by Priscilla on April 10, 2009
5. Calculus

I seriously do not understand anything about this problem Please help. The equation of an ellipse centered at the origin is (x^2/a^2) + (y^2/b^2)=1 The area of the upper half of the ellipse can be determined by finding the area

asked by Angel on November 8, 2011
6. algebra

Please help with this problem: An ellipse and a hyperbola have the same foci, \$A\$ and \$B\$, and intersect at four points. The ellipse has major axis 50, and minor axis 40. The hyperbola has conjugate axis of length 20. Let \$P\$ be a

asked by nini on July 20, 2017
7. math

An ellipse and a hyperbola have the same foci, \$A\$ and \$B\$, and intersect at four points. The ellipse has major axis 50, and minor axis 40. The hyperbola has conjugate axis of length 20. Let \$P\$ be a point on both the hyperbola

asked by clache on June 9, 2016
8. Precalculus

I don't even how to go about this.... Mars is in an elliptical orbit with the Sun at one focus, as shown in the figure. At its aphelion, Mars is 156 million miles from the Sun. At its perihelion, Mars in only 128 million miles

asked by Anon on January 20, 2012
9. Algebra 2

I've got some homework about ellipses and I am not sure if I am doing these right. So if you could check my answers I would appreciate it. Thanks!! 1.) Write an equation for an ellipse if the endpoints of the major axis are at

asked by Kim on September 14, 2010
10. Math

Write the equation of the ellipse using the given information: The axis has lengths 2 and 5; the major axis is vertical; and the center of the ellipse is (–1, –2).

asked by Maria on October 14, 2017

More Similar Questions