Advertisements
Advertisements
प्रश्न
A point P lies on the x-axis and another point Q lies on the y-axis.
If the abscissa of point P is -12 and the ordinate of point Q is -16; calculate the length of line segment PQ.
Advertisements
उत्तर
The co-ordinates of P and Q are (-12, 0) and (0, -16) respectively.
PQ = `sqrt((-12 - 0)^2 + (0 + 16)^2)`
= `sqrt(144 + 256)`
= `sqrt(400)`
= 20
APPEARS IN
संबंधित प्रश्न
The long and short hands of a clock are 6 cm and 4 cm long respectively. Find the sum of the distances travelled by their tips in 24 hours. (Use π = 3.14) ?
The perimeter of a triangle with vertices (0, 4), (0, 0) and (3, 0) is ______.
Find the distance of the following point from the origin :
(0 , 11)
Find the coordinate of O , the centre of a circle passing through A (8 , 12) , B (11 , 3), and C (0 , 14). Also , find its radius.
Prove that the points (0 , 2) , (1 , 1) , (4 , 4) and (3 , 5) are the vertices of a rectangle.
Find the co-ordinates of points on the x-axis which are at a distance of 17 units from the point (11, -8).
Point P (2, -7) is the center of a circle with radius 13 unit, PT is perpendicular to chord AB and T = (-2, -4); calculate the length of: AT
Calculate the distance between A (7, 3) and B on the x-axis, whose abscissa is 11.
The point A(2, 7) lies on the perpendicular bisector of line segment joining the points P(6, 5) and Q(0, – 4).
The points A(–1, –2), B(4, 3), C(2, 5) and D(–3, 0) in that order form a rectangle.
