Practice30Create account

In a Z-shaped path between two parallel walls (AB || CD), a person walks: along the top wall, then diagonally down, then along the bottom wall. The diagonal makes an interior angle of 48° with the top wall.
What angle does the diagonal make with the bottom wall (the alternate interior angle)?

Class 9Parallel Lines and a TransversalGeometry — Lines and Angles
  • A53
  • B43
  • C48
  • D96

Step-by-Step Solution

The two angles are alternate interior angles formed by the diagonal transversal with parallel walls, so they are equal: 48°.
Answer: C) 48

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Parallel Lines and a Transversal practice questions

More Class 9 Parallel Lines and a Transversal practice

AB || CD. A transversal cuts them. One angle and its corresponding angle are given as…Three parallel lines l1 || l2 || l3 are cut by one transversal. The angle the…AB || CD. A transversal cuts AB at P and CD at Q. Angles APQ = (2x + 15) deg and PQD =…In a parallelogram-shaped tile design, side PQ is parallel to side SR, and diagonal PR…When a transversal crosses two parallel lines, the four interior angles measure p, q, p,…