Advertisements
Advertisements
प्रश्न
Point P (2, -7) is the centre of a circle with radius 13 unit, PT is perpendicular to chord AB and T = (-2, -4); calculate the length of AB.

Advertisements
उत्तर
We know that the perpendicular from the center of a circle to a chord bisects the chord.
∴ AB = 2AT
= 2 x 12 units
= 24 units.
APPEARS IN
संबंधित प्रश्न
The perimeter of a triangle with vertices (0, 4), (0, 0) and (3, 0) is ______.
Find the distance between the following pairs of point in the coordinate plane :
(4 , 1) and (-4 , 5)
Find the distance of a point (13 , -9) from another point on the line y = 0 whose abscissa is 1.
A line segment of length 10 units has one end at A (-4 , 3). If the ordinate of te othyer end B is 9 , find the abscissa of this end.
Find the co-ordinates of points on the x-axis which are at a distance of 17 units from the point (11, -8).
A point P lies on the x-axis and another point Q lies on the y-axis.
Write the abscissa of point Q.
Seg OA is the radius of a circle with centre O. The coordinates of point A is (0, 2) then decide whether the point B(1, 2) is on the circle?
The distance of the point P(–6, 8) from the origin is ______.
Find the distance between the points O(0, 0) and P(3, 4).
The distance of the point (5, 0) from the origin is ______.
