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Subjects · Leaving Cert Design & Communication Graphics (DCG)

Leaving Cert Design & Communication Graphics (DCG): Skew lines

How often Skew lines comes up on the Design & Communication Graphics papers, every year it was asked, and questions to try.

HL Asked on 3 of the last 9 Higher Level papers, most recently in 2024.

Skew lines, Higher Level(8 marks)

Quick ones on Skew lines.

(a)In the view where AB appears as a point, at what angle does the common perpendicular meet the view of CD?
  1. 45°
  2. 90°
  3. The angle between AB and CD
(b)What are skew lines?
  1. Lines that lie in one plane but never meet
  2. Lines that meet each other at an angle of 90°
  3. Lines that are neither parallel nor intersecting
(c)Plane method: a plane contains AB and is parallel to CD. In the edge view of that plane, how does CD appear?
  1. Parallel to the plane's edge
  2. Perpendicular to the plane's edge
  3. As a point
Show the answers

(a) 90°

(b) Lines that are neither parallel nor intersecting

(c) Parallel to the plane's edge

Your turn: Higher Level questions on Skew lines.

Higher Level

Asked on 3 of the last 9 Higher Level papers, most recently in 2024.

Every paper, year by year

YearWhere it came up
2025Not asked
2024A3
2023Not asked
2022A1
2021Not asked
2019Not asked
2018A2
2017Not asked
2016Not asked

Links open the State Examinations Commission’s paper for that year.

Other Design & Communication Graphics (DCG) topics

All of Leaving Cert Design & Communication Graphics (DCG)