Practice30Create account

Which congruence condition guarantees a unique triangle when two sides and the angle between those two sides (the included angle) are given?

Class 9Constructions of TrianglesGeometry
  • ASAS
  • BAAA
  • CSSA
  • DASS

Step-by-Step Solution

When two sides and the included angle are known, the SAS condition fixes the triangle uniquely. AAA fixes only shape, not size; SSA can be ambiguous.
Answer: A) SAS

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 Constructions of Triangles practice questions

More Class 9 Constructions of Triangles practice

While constructing the perpendicular bisector of a segment, the two intersection points…The set of all points equidistant from the two arms of an angle lies on the angle's ____.Which angle CANNOT be constructed directly using only a compass and straightedge in one…In constructing a triangle from base BC and angle B with given AB + AC, after drawing BC…An isosceles right triangle is to be constructed with its right angle at A. The two…