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India
Class XI

Applications of conic sections

Interactive practice questions

The equation $\frac{x^2}{324}+\frac{y^2}{289}=1$x2324+y2289=1 models the elliptical opening of a wind tunnel that is $36$36 metres wide and $34$34 metres high.

True or false?

True

A

False

B
Easy
< 1min

The orbit of Venus is an ellipse with the sun as one focus. Placing the centre of the ellipse at the origin, an approximate equation for the orbit is $\frac{x^2}{5017}+\frac{y^2}{4970}=1$x25017+y24970=1, where $x$x and $y$y are measured in millions of miles.

Find the greatest possible distance across the ellipse. Round your answer to the nearest million miles.

Easy
2min

A cake maker has rectangular boxes measuring $40$40 cm in length and $20$20 cm in width. She often receives orders for cakes in the shape of an ellipse, and wants to determine the largest possible cake that can be made to fit inside the rectangular box.

Easy
3min

The elliptical ceiling in a hall is $52$52 metres long and $8$8 metres tall.

Easy
4min
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Outcomes

11.CG.CS.1

Sections of a cone: Circles, ellipse, parabola, hyperbola, a point, a straight line and pair of intersecting lines as a degenerated case of a conic section. Standard equations and simple properties of parabola, ellipse and hyperbola. Standard equation of a circle.

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