Let ABCD be a quadrilateral. Let the diagonals AC and BD meet at O. Let the perpendicular drawn from A to CD meet CD at E. Further, AO: OC = BO: OD, AB = 30 cm. CD = 40 cm. and the area of the quadrilateral ABCD is 1050 cm². What is BE equal to?

The perimeter of two squares are 24 cm and 32 cm . The perimeter (in cm) of a third square equal in area to the sum of the areas of these squares is: 

In a triangle, lengths of all the three medians are 9 cm, 12 cm. and 15 cm respectively. Then what will be the area of the triangle?

In a regular polygon, the exterior and interior angles are in the ratio 1 : 4. The number of sides of the polygon is 

One acute angle of a right-angled triangle is double the other. If the length of its hypotenuse is 10 cm, then its area is

If the height of a given cone be doubled and radius of base remains the same, the ratio of the volume of the given cone to that the second cone will be -

The length & breadth of a rectangle is in ratio 4 : 7. If perimeter is 88 cm. find area of rectangle.

If Diagonal of rectangle is 41 cm and one side of Rectangle is 9 cm Then find out Ratio of perimeter and area of Rectangle?