Mathematics

Straight Lines and Angles

122 Questions

Straight lines and angles are core components of coordinate geometry. This topic evaluates angle measures between intersecting lines, direction ratios, and perpendicular distances. Mastery of these mathematical concepts is necessary for high scores in quantitative exams.

Angle between linesDirection ratiosAngle bisectorsPerpendicular distanceSlope differences

Straight Lines and Angles Questions

Multiple choice

What is the bearing from point A to point B if the angle between the line connecting the two points and the east-west line is 270 degrees?

  1. N270E

  2. S270E

  3. N270W

  4. S270W
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

The bearing from point A to point B is S90W because the angle between the line connecting the two points and the east-west line is 90 degrees west of south.

Multiple choice

What is the angle between two lines in three-dimensional space?

  1. The angle between the two vectors that are parallel to the lines

  2. The angle between the two vectors that are perpendicular to the lines

  3. The angle between the two vectors that are parallel to the planes containing the lines

  4. The angle between the two vectors that are perpendicular to the planes containing the lines
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The angle between two lines in three-dimensional space is the angle between the two vectors that are parallel to the lines.