The figure shows `triangleABC` with side `AC`=`4sqrt2` units inscribed in a circle of radius 4 units. The length of the are BDC is `(10pi)/3` units.
Write `angleA` in degree measure.
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In the given figure radius of the circle is 2 units. Find the length of arc APB .

In this figure ABCD is a square. The axes are drawn through the mid points of its sides. The length of its side is 6 units. Write the coordinates of its vertices. .

In this figure ABCD is a square. The axes are drawn through the mid points of its sides. The length of its side is 6 units. Write the equation of its diagonal BD. .

The figure shows a unit circle and a line L which makes 30° with the positive direction of x-axis. Write the coordinate of the points A and B.

An equilateral triangle with side 1c.m is inscribed in the parabola y^2 =4ax whose one vertex is at the vertex of the parabola Prove that [(1sqrt3)/2, 1/2] is a point on the parabola

Check whether the circle with centre at the point (2,4) and radius 5 unit passes through the point (2,0).

The length of a diagonal of square is 4 cm . a) What is its area? b) The length of a diagonal of a square is d units and its area is A sq.units. Write the relation between them? c) Which is the proportionality constant?

The lines 2x -3y =5 and 3x-4y =7 are diameter of a circle having area as 154 sq. unit. Then , the equations of the circle is :