The diagonal of a square A is (a+b). The diagonal of a square whose area is twice the area of square A, is

A kite in the shape of a square with a diagonal 32 cm attached to an equilateral triangle of the base 8 cm. Approximately how much paper has been used to make it? (Use √3 = 1.732)

The volume of a cuboid is 2 times the volume of a cube. If the dimensions of the side are 9 cm by 8 cm and 6 cm, then the total surface area of the cube is

From a point in the interior of an equilateral triangle, the length of the perpendiculars to the three sides are 6 cm, 8 cm and 10 cm respectively. The area of the triangle is

What is the area (in cm² ) of an equilateral triangle of side 20 cm?

If the radius of a circle is increased by 15% its area increases by _____.

The difference between the length of two parallel sides of a trapezium is 12 cm. The perpendicular distance between these two parallel sides is 60 cm. If the area of the trapezium is 1380 cm², then find the length of each of the parallel sides (in cm).

If the diagonals of two squares are in the ratio of 2: 5, their area will be in the ratio of