Mathematics
Assertion (A): If the points A(x, 1), B(8, 2), C(9, 4) and D(7, 3) are the vertices of a parallelogram, taken in order, then the value of x is 5.
Reason (R): Diagonals of a parallelogram bisect each other at right angles.
A is true, R is false
A is false, R is true
Both A and R are true
Both A and R are false
Related Questions
A(1, 4), B(4, 1) and C(x, 4) are the vertices of ΔABC. If the centroid of the triangle is G(4, 3), then x is equal to:
2
1
7
4
Assertion (A): The coordinates of one end of a diameter of a circle are (1, 4). If its centre is at (2, -3), then the coordinates of the other end of the diameter are (-3, -10).
Reason (R): The centre of a circle is equidistant from each end of a diameter.
A is true, R is false
A is false, R is true
Both A and R are true
Both A and R are false