Geometrymedium · Past Paper
If the lines 2x + y - 3 = 0 and kx + 2y - 1 = 0 are parallel, find k.
A2
B4
C-4
D1
✓ Correct Answer: B — 4
Slopes must be equal: -2/1 = -k/2 => -2 = -k/2 => k = 4.
Share this question
More from Geometry
- Calculate the area of a triangle whose sides are 13 cm, 14 cm, and 15 cm using Heron's formula.
- The midpoint of the line segment joining (2, 8) and (6, 4) is:
- The perpendicular drawn from a vertex to the opposite side is called the:
- If a triangle has sides of length 'a', 'a', and 'b', it is known as:
- In the given figure, O is the center. If angle OAB = 30 degrees, find angle ACB.