If a triangle is inscribed in a n ellipse and two of its sides are parallel to the given straight lines, then prove that the third side touches the fixed ellipse.

An equilateral triangle is inscribed in a circle of radius 6cm. Find its side.

The line drawn from the midpoint of one side of a triangle parallel to another side bisects the third side.

Prove that any two sides of a triangle are together greater than twice the median drawn to the third side.

Sum of any two sides of a triangle is greater than the third side.

Sum of any two sides of a triangle is not less than the third side

Theorem 6.2 : If a line divides any two sides of a triangle in the same ratio, then the line is parallel to the third side.

An equilateral triangle is inscribed in an ellipse whose equation is x^(2)+4y^(2)=4 If one vertex of the triangle is (0,1) then the length of each side is

If a triangle is inscribed in a circle, then prove that the product of any two sides of the triangle is equal to the product of the diameter and the perpendicular distance of the thrid side from the opposite vertex.

The line joining the mid-points of two sides of a triangle is parallel to the third side.