From a rectangular sheet of sides 18cm and 14cm,a semicircular portion with smaller side as diameter is taken out.Then the area of the remaining sheet will be

A square is inscribed in a right triangle with legs x and y and has a common right angle with a triangle.The perimeter of a square is give by 

Let A denote set of quadrilaterals having two diagonals equal and bisecting other.Let A denote set of quadrilaterals having two diagonals equal and bisecting other at 90.Then A∩B denotes

The two adjacent sides of a cyclic quadrilateral are 2cm and 5cm and the angle between them is 60.If the third side is 3cm,then the fourth side of length

If X is any point within a square ABCD and on AX a square AXYZ is described,which of the following is correct?

1.BX=DZ or BZ=DX

2.<ABX=<ADZ or <ADX=<ABZ

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The diameter of wheel that makes 452 revolutions to move 2km and 26 decametre is equal to