The medians of a triangle are 6 cm, 7.5 cm and 9 cm. Construct the triangle.

The sides of a triangle measure 13 cm,12 cm,and 5 cm.prove that the triangle is right angled.

If the measures of the medians of a triangle are equal then prove that the triangle is equilateral.

The sides of a triangle are 7,4 sqrt3 and sqrt13 cms . Find the smallest angle

The diagonals of a rhombus are 7.5cm and 12cm find its area.

The areas of two similar triangles are 121 cm^2 and 64 cm^2 respectively.If the median of the first triangle is 12.1 cm find the corresponding median of the other.

Sides of a triangle are 4, 5, 6 cms. Show that the greatest angle is twice the smallest angle.

ABC is a right angled triangle right angled at A. A circle is inscribed in it. The length of the two sides containing the right angle are 6 cm and 8 cm . Find the radius of the incircle.

The length of one diagonal of a parallelogram is 8 cm. and height of each of the triangles whose common base is the given diagonal of the parallelogram is 4 cm. Find the area of the parallelogram.

The perimeter of two similar triangles are respectively 25cm. and 15 cm. If one side of the first triangle is 9 cm.,find the corresponding side of the second triangle.