What is the diameter of the circle having 3 cm radius?

Area of a four wall of a room is 77 square meters . the length and breadth of room are 7.5 meters and 3.5 meters respectively . the height of the room is?

A polygon has 44 diagonals the number of its sides is?

If the area of an equilateral triangle is x and its perimeter is y, then which one of the following is correct?

A circle and a square have same area. The ratio of the side of the square and the radius of the circle is?

One diagonal of a rhombus is 60% of the other diagonal. Then, area of the rhombus is how many times the square of the length of the larger diagonal?

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