A circle is inscribed into a rhombous ABCD with one angle 60. The distance from the centre of the circle to the nearest vertex is equal to 1. If P is any point of the circle then `|PA|^2+|PB|^2+|PC|^2+|PD|^2` is equal to:

Draw a circle of radius 3.5 cm. Take a point P outside the circle at a distance of 7 cm from the centre of the circle and construct a pair of tangents to the circle from the point.

Draw a circle of radius 3.5 cm . Take a point P outside the circle at a distance of 7 cm from the centre of the circle and construct a pair of tangents to the circle from the point.

A circle is inscribed in a square of area 784cm^(2) Find the area of the circle.

Draw a circle of radius 2.5 cm. Take a point at a distance of 5 cm from the centre of the circle. From point P, draw two tangents to the circle.

The centre of the circle passing through the points (0,0), (1,0) and touching the circle x^2+y^2=9 is

The circle with centre (2,3) touching x-axis has the radius equal to

Let ABCD be a square of side length 2 units. C2 is the circle through vertices A, B, C, D and C1 is the circle touching all the sides of the square ABCD. L is a line through A. . If P is a point on C1 and Q in another point on C2, then (PA^2+ PB^2+ PC^2+PD^2)/ (QA^2+ QB^2+ QC^2+ QD^2) is equal to (A) 0.75 (B) 1.25 (C) 1 (D) 0.5

If the angle between the two equal circles with centres (-2,0),(2,3) is 120^@ then the radius of the circle is

The angle between the tangents to the circle with centre (4,5) drawn from P(-2,-3) is 120^(@) then length of the tagent to the circle from P is

The angle between the tangents to the circle with centre (4,5) drawn from P(-2,-3) is 120^(@) then length of the tagent to the circle from P is