Chapter Exam

Chapter 15: Symmetry — Online MCQ Test

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

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

Q: A rectangle has _____ lines of symmetry.

Answer: B. 2 — A rectangle has 2 lines of symmetry: one horizontal through the midpoints of longer sides and one vertical through the midpoints of shorter sides.

Q: A student claims that a figure with 4 lines of symmetry must have rotational symmetry of order 4. Is this statement true or false?

Answer: C. True sometimes, false sometimes — A square has 4 lines of symmetry AND rotational symmetry of order 4, but a kite-like figure could have multiple lines without matching rotational order.

MATHS · Samacheer Kalvi 6th · Tamil Nadu State Board

Practice Chapter 15: Symmetry with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 6th MATHS. This chapter covers: Line of symmetry, Reflection, Rotational symmetry, Patterns. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 15: Symmetry — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 6th MATHS — Chapter 15: 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 halves that are mirror images ✓
B. A line that divides a shape into two equal parts of any shape
C. A line drawn through the center of any figure
D. A line that separates a shape from its background

Answer: A. A line that divides a shape into two identical halves that are mirror images
A line of symmetry divides a figure into two congruent parts that are mirror images of each other when folded along that line.

How many lines of symmetry does a square have?

A. 1
B. 2
C. 4 ✓
D. 8

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

A rectangle has _____ lines of symmetry.

A. 1
B. 2 ✓
C. 3
D. 4

Answer: B. 2
A rectangle has 2 lines of symmetry: one horizontal through the midpoints of longer sides and one vertical through the midpoints of shorter sides.

Which statement is NOT true about symmetry?

A. A circle has infinite lines of symmetry
B. A square has both line and rotational symmetry
C. All shapes must have at least one line of symmetry ✓
D. A regular pentagon has 5 lines of symmetry

Answer: C. All shapes must have at least one line of symmetry
Not all shapes have lines of symmetry; for example, a scalene triangle has no line of symmetry.

A student claims that a figure with 4 lines of symmetry must have rotational symmetry of order 4. Is this statement true or false?

A. True, always
B. False, always
C. True sometimes, false sometimes ✓
D. Cannot be determined

Answer: C. True sometimes, false sometimes
A square has 4 lines of symmetry AND rotational symmetry of order 4, but a kite-like figure could have multiple lines without matching rotational order.

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