The ratio of the sides of a triangle is 3: 4: a and the area of this triangle is 216 square cm. And the perimeter of this triangle is 72 cm. Then the value of a will be -

From a circle of radius a, a sector, which subtend an angle π/5 at the centre has been cut off. The perimeter of the remaining part of the circle is

If an equilateral triangle is inscribed in a circle of area 48 π square units, then the perimeter of the triangle is:

The diameter of a wheel is 14 cm. How many rotations will it take to cover a distance of 44 kilometres?

The difference of the circumference and radius of a circle is 37 cm. Area of the circle is

A square and an equilateral triangle are of the same perimeter. If the diagonal of the square is  cm long, then the area of the triangle is.

The measure of a cuboid warehouse is (8 m x 6 m x 3 m). If each sack covers 0.48 cubic meters of space, how many maximum sacks can be kept in it?

The ratio of the areas of two circles is 16: 25. What will be the ratio of their circumferences?