Chapter Exam

Chapter-9 Symmetry — Online MCQ Test

Q: How many lines of symmetry does a square have?

Answer: D. 4 — A square has 4 lines of symmetry: 2 diagonal lines and 2 lines through the midpoints of opposite sides.

Q: Which letter does NOT have any line of symmetry?

Answer: C. F — The letter 'F' has no line of symmetry because there is no line that divides it into two identical mirror images.

Q: In a symmetrical design created by folding paper along a line and cutting shapes, if you cut a triangle from one side, what shape appears on the other side when unfolded?

Answer: B. An identical triangle (mirror image) — When paper is folded and cut, the cut creates a mirror image on the other side of the fold line, so cutting a triangle produces an identical triangle when unfolded.

MATHS · Grade 6 · CBSE(NCERT)

Practice Chapter-9 Symmetry with a free chapter-wise online MCQ test for CBSE(NCERT) Grade 6 MATHS. This chapter covers: line of symmetry - mirror image - reflection - rotational symmetry - symmetrical designs. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter-9 Symmetry — Important Questions & Answers (FAQ)

Frequently asked questions from CBSE(NCERT) Grade 6 MATHS — Chapter-9 Symmetry, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is a line of symmetry?

A. A line that divides a shape into two identical mirror images ✓
B. A line that divides a shape into two equal parts of any kind
C. A line that goes through the center of any shape
D. A line that makes a shape rotate

Answer: A. A line that divides a shape into two identical mirror images
A line of symmetry is a line along which a figure can be folded so that the two halves match exactly, creating mirror images.

How many lines of symmetry does a square have?

A. 1
B. 2
C. 3
D. 4 ✓

Answer: D. 4
A square has 4 lines of symmetry: 2 diagonal lines and 2 lines through the midpoints of opposite sides.

Which letter does NOT have any line of symmetry?

A. H
B. I
C. F ✓
D. V

Answer: C. F
The letter 'F' has no line of symmetry because there is no line that divides it into two identical mirror images.

A design is made by reflecting a pattern across a vertical line 3 times alternately. Which statement is true?

A. The final design will have only 1 line of symmetry
B. The final design will have 3 lines of symmetry
C. The final design will have no lines of symmetry
D. The final design depends on the original pattern ✓

Answer: D. The final design depends on the original pattern
The number of lines of symmetry in the final design depends on the symmetry properties of the original pattern being reflected.

In a symmetrical design created by folding paper along a line and cutting shapes, if you cut a triangle from one side, what shape appears on the other side when unfolded?

A. A different polygon
B. An identical triangle (mirror image) ✓
C. No shape appears
D. A larger triangle

Answer: B. An identical triangle (mirror image)
When paper is folded and cut, the cut creates a mirror image on the other side of the fold line, so cutting a triangle produces an identical triangle when unfolded.