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Junior Cycle Graphics: Sections & truncated solids

How often Sections & truncated solids comes up on the Graphics papers, every year it was asked, and questions to try.

CL Asked on 4 of the last 5 Common Level papers, most recently in 2026. most years

Sections & truncated solids, Common Level(7 marks)

Quick ones on Sections & truncated solids.

(a)A cone is cut parallel to its base. What shape is the cut surface?
  1. An ellipse
  2. A circle
  3. A triangle
(b)What does truncated mean when describing a solid?
  1. It has been made on a lathe
  2. It has been hollowed out
  3. Part has been cut off by a plane
(c)A cone is cut parallel to one of its sloping generators. What curve is the cut?
  1. Parabola
  2. Semicircle
  3. Ellipse
Show the answers

(a) A circle

(b) Part has been cut off by a plane

(c) Parabola

Your turn: Common Level questions on Sections & truncated solids.

Common Level

Asked on 4 of the last 5 Common Level papers, most recently in 2026. most years

Every paper, year by year

YearWhere it came up
2026Q3b, Q3d
2025Q1a
2024Q3d
2023Q3c
2022Not asked

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

More Sections & truncated solids questions

Sections & truncated solids, 3 marks

A cylinder is cut right across at a slant. What is the true shape of the cut surface?

  1. A circle
  2. A parabola
  3. An ellipse
Show the answer

An ellipse

The slanted cut is longer one way than the other, so its true shape is an ellipse. Its minor axis equals the cylinder's diameter. A square cut would give a circle.

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