Page 1 - Worksheet-Euclid's Geometry Ch-5 (Introduction to Euclid's Geometry)

SAI International School
CLASS - IX

Mathematics
CHAPTER-5: INTRODUCTION TO EUCLID’S GEOMETRY

Worksheet-1

SUBTOPIC: EUCLID’S DEFINITIONS, AXIOMS AND POSTULATES

1. The three steps from solids to points are 1
(a) solids-surfaces-lines-points (b) solids-lines-surfaces-points
(c) lines-points-surfaces-solids (d) lines-surfaces-points-solids

2. The number of dimensions, a solid has 1
(a) 1 (b) 2 (c) 3 (d) 0

3. The number of dimensions, a surface has 1
(a) 1 (b) 2 (c) 3 (d) 0

4. Euclid divided his famous treatise ‘The Elements’ into 1
(a) 13 chapters (b) 12 chapters
(c) 11 chapters (d) 9 chapters

5. In Indus Valley Civilisation (about 3000 BC), the bricks used for construction 1
work were having dimensions in the ratio
(a) 1: 3: 4 (b) 4: 2 : 1 (c) 4 : 4 : 1 (d) 4 : 3 : 2

6. The number of interwoven isosceles triangles in Sriyantra (in the Atharvaveda) 1
is_________.

7. Greek’s emphasised on 1
(a) inductive reasoning (b) deductive reasoning
(c) Both (a) and (b) (d) practical use of geometry

8. In ancient India, altars with combination of shapes like rectangles, triangles 1
and trapeziums were used for
(a) public worship (b) household rituals
(c) Both (a) and (b) (d) None of these

9. Thales belongs to the country 1
(a) Babylonia (b) Egypt (c) Greece (d) Rome

10. Which of the following needs a proof? 1

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