Question

state any 3 criteria of congruent triangle and explain them

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Answer 1

Answer: Two triangles are said to be congruent if their sides have the same length and angles have same measure. Thus, two triangles can be superimposed side to side and angle to angle. In the above figure, Δ ABC and Δ PQR are congruent triangles.  This means, (picture is down)

Vertices:  A and P, B and Q, and C and R are same.

Sides:  AB=PQ, QR= BC and AC=PR;

Angles:  ∠A = ∠P, ∠B = ∠Q, and ∠C = ∠R.

Congruent triangles are triangles having corresponding sides and angles to be equal. Congruence is denoted by the symbol ≅.  They have the same area and the same perimeter.

Answer 2

Answer:

Congruent Triangles

Two triangles are said to be congruent if their sides have the same length and angles have same measure.

Thus, two triangles can be superimposed side to side and angle to angle.

Sides: AB=PQ, QR= BC and AC=PR; Angles: ∠A = ∠P, ∠B = ∠Q, and ∠C = ∠R.

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