Practice30Create account

Which pair below is NOT necessarily equal?

Class 7Adjacent and Vertically Opposite AnglesLines and Angles
  • AA pair of adjacent angles
  • BA pair of vertically opposite angles
  • CThe two acute angles at an X-crossing
  • DThe two obtuse angles at an X-crossing

Step-by-Step Solution

Vertically opposite angles (and the two acute / two obtuse angles) are equal, but adjacent angles are generally unequal.
Answer: A) A pair of adjacent angles

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 Adjacent and Vertically Opposite Angles practice questions

More Class 7 Adjacent and Vertically Opposite Angles practice

Two adjacent angles forming a linear pair are (x + 20)° and (2x − 50)°. Find x.Which condition is required for two angles to be called adjacent?On a road map of Jaipur, two straight roads cross at a chowk (junction). The angle on…At a railway crossing near Patna, two tracks intersect. One of the four angles formed…Two ribbons are laid across each other in a craft class, crossing at a single point. At…