Geometryhard · Past Paper
What is the distance between the parallel lines y = 2x + 5 and y = 2x - 5?
A10
B2 * sqrt(5)
Csqrt(5)
D5
✓ Correct Answer: B — 2 * sqrt(5)
Distance d = |c1 - c2| / sqrt(1 + m^2) = |5 - (-5)| / sqrt(1 + 2^2) = 10 / sqrt(5) = 2 * sqrt(5).
Share this question
More from Geometry
- Find the coordinates of the point dividing the segment (2, 3) and (7, 8) externally in the ratio 2:1.
- The lines representing x^2 - y^2 = 0 pass through which point?
- Find the angle which is equal to its supplement.
- What is the slope of the line x = 5?
- If a triangle has sides of length 'a', 'a', and 'b', it is known as: