Practice30Create account

Two triangular flags each have sides 30 cm and 40 cm with a 60° angle between them. What can you say about their third sides?

Class 9SAS, ASA and AAS CongruenceGeometry — Triangles
  • AThe first is longer
  • BThey are equal
  • CThey differ by 10 cm
  • DThey cannot be compared

Step-by-Step Solution

Two sides and the included angle are equal, so the flags are congruent by SAS. Corresponding parts — including the third sides — are equal.
Answer: B) They are equal

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 SAS, ASA and AAS Congruence practice questions

More Class 9 SAS, ASA and AAS Congruence practice

Two triangles have angles of 45° and 75°, and the sides opposite the 75° angles are…The table lists four pairs of triangles. Which pair is congruent by SAS?Ravi says △ABC ≅ △PQR by SAS because AB = PQ, AC = PR and ∠B = ∠Q. What is wrong?In quadrilateral ABCD, AB ∥ DC and AB = DC. Diagonal BD is drawn. By which rule is △ABD…Lines l ∥ m are cut by parallel lines p ∥ q, forming parallelogram ABCD with diagonal…