Is the point (- 2,-1),(1, 0), (X, 3)and(1, Y) from a parallelogram find the values of X and Y? Without using the distance formula
Asked by hemanttkumarr | 3rd Oct, 2017, 08:27: PM
Answered by Sneha shidid | 4th Oct, 2017, 10:23: AM
- Find the value of k for which the point A(-2,3) B(1,2) C(k,0) are collinear.
- Without using distance formula, show that the points (-2, 1), (5, 3), (6, 7) and (- 4, 5) are not the vertices of a parallelogram.
- Find the angle between X-axis and the line joining the points (2, -4) and (-3, 5).
- If slope of a line is triple of the slope of another line. If the tangent of the angle between them is 1/2, find the slopes of the line.
- A line passes through (a, b) and (p, q). If the slope of the line is n, show that q – b = n(p – a).
- Show that the line joining the points A(2, -3) and B(-5, 1) is parallel to the line joining the points C(7, -1) and D(0, 3) and perpendicular to the line joining the points P(4, 5) and Q(0, -2).
- Without using the Pythagoras theorem, show that the points (5, 5), (4, 6) and (2, 2) are the vertices of a right-angled triangle.
- Find the value of a for which the line (a - 2)x - (3 - a2)y + a2 - 5a + 4 = 0 is parallel to the x-axis.
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