Posted by **Anonymous** on Thursday, December 27, 2012 at 12:55pm.

L and m are two parallel tangents at A and B. The tangent at C makes an intercept DE between L and m. Prove that angle DEF = 90 degree.

## Answer this Question

## Related Questions

- Calculus - Maths - I got a few questions. Hope ya'll can help out. 1) for F(X...
- maths - The angle between two tangents from a point to a circle is 82 degree....
- Geometry - Circles and tangents - Two circles of radius 1 are externally tangent...
- geometry - Two tangents drawn to a circle from an external point intercept a ...
- Geometry - Prove that the tangents to a circle at the endpoints of a diameter ...
- maths - If O is the centre of a circle, PQ is a chord and the tangent PR at P ...
- maths - If O is the centre of a circle, PQ is a chord and the tangent PR at P ...
- Math - Prove that if the sides of one angle are parallel to the sides of another...
- MATHS - two circles c1 and c2 meet at the points A and B. CD is a common tangent...
- Maths (Tangents and Normals) - find the points on the curve [(x^2 )+ (y^2) = 18...

More Related Questions