Advertisements
Advertisements
प्रश्न
If the points(x, 4) lies on a circle whose centre is at the origin and radius is 5, then x =
विकल्प
±5
±3
0
±4
Advertisements
उत्तर
It is given that the point A(x, 4) is at a distance of 5 units from origin O.
So, apply the distance formula to get,
`5^2 = (x)^2 + 4^2`
Therefore,
`x^2 = 9`
So,
`x = +- 3`
APPEARS IN
संबंधित प्रश्न
On which axis do the following points lie?
Q(0, -2)
In what ratio is the line segment joining the points (-2,-3) and (3, 7) divided by the y-axis? Also, find the coordinates of the point of division.
Find the point on x-axis which is equidistant from points A(-1,0) and B(5,0)
The co-ordinates of point A and B are 4 and -8 respectively. Find d(A, B).
If the points A(−1, −4), B(b, c) and C(5, −1) are collinear and 2b + c = 4, find the values of b and c.
Find the value of a so that the point (3, a) lies on the line represented by 2x − 3y + 5 = 0
If P (2, p) is the mid-point of the line segment joining the points A (6, −5) and B (−2, 11). find the value of p.
If A (5, 3), B (11, −5) and P (12, y) are the vertices of a right triangle right angled at P, then y=
If the centroid of the triangle formed by the points (a, b), (b, c) and (c, a) is at the origin, then a3 + b3 + c3 =
If the points P (x, y) is equidistant from A (5, 1) and B (−1, 5), then
The coordinates of a point on x-axis which lies on the perpendicular bisector of the line segment joining the points (7, 6) and (−3, 4) are
The ratio in which the line segment joining P (x1, y1) and Q (x2, y2) is divided by x-axis is
The coordinates of the point P dividing the line segment joining the points A (1, 3) and B(4, 6) in the ratio 2 : 1 are
What is the form of co-ordinates of a point on the X-axis?
The point R divides the line segment AB, where A(−4, 0) and B(0, 6) such that AR=34AB.">AR = `3/4`AB. Find the coordinates of R.
Point P(– 4, 2) lies on the line segment joining the points A(– 4, 6) and B(– 4, – 6).
Students of a school are standing in rows and columns in their playground for a drill practice. A, B, C and D are the positions of four students as shown in figure. Is it possible to place Jaspal in the drill in such a way that he is equidistant from each of the four students A, B, C and D? If so, what should be his position?
Point (–10, 0) lies ______.
The perpendicular distance of the point P(3, 4) from the y-axis is ______.
(–1, 7) is a point in the II quadrant.
