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CTET 1 Mar 2026 Paper 1, Question 48

Topic: Geometry

Q48

If a line is transversal to three lines, then how many angles will be formed ?

  1. (1) 3
  2. (2) 12Correct answer
  3. (3) 9
  4. (4) 6

Solution.

CBSE answer: (2)

Answer: (2) 12

  1. The transversal cuts the three lines at three distinct points.
  2. At each point of intersection, 4 angles are formed.
  3. Total angles =3×4=12= 3 \times 4 = 12.

Trap: two lines cut by a transversal give 8 angles; that count does not apply to three lines.