Geometrymedium · Past Paper
What is the length of the perpendicular from origin to the line 3x + 4y - 10 = 0?
A2
B5
C10
D1
✓ Correct Answer: A — 2
Length = |Ax1 + By1 + C| / sqrt(A^2 + B^2) = |3(0) + 4(0) - 10| / sqrt(3^2 + 4^2) = 10 / 5 = 2.
Share this question
More from Geometry
- If two parallel lines are cut by a transversal, the corresponding angles are:
- If two adjacent angles on a straight line are (3x - 5) and (x + 25), find the value of x.
- If the lines 2x + y - 3 = 0 and kx + 2y - 1 = 0 are parallel, find k.
- What is the area of a circle with diameter 14 cm?
- In the figure, line L || M. If angle 1 = 3x and angle 2 = 2x+20 are alternate interior angles, find x.