An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ?

The length and perimeter of a rectangle are the ratio of 5 : 18 What well be the ratio of its length and breadth?

Diagonals of a rhombus area 1 m and 1.5 m in lengths. The area of the rhombus is

Area of a four walls a room is 168 Sq. meters . The breadth and height of a room are 8 meters and 6 meters respectively . The length of the room is?

If the diagonal of a square is double, how does the area of the square change?

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