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प्रश्न
Which of the following is not a criterion for congruence of triangles?
विकल्प
SAS
ASA
SSA
SSS
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उत्तर
SSA
Explanation:
We know that,
Two triangles are congruent, if the side (S) and angles (A) of one triangle is equal to another.
And criterion for congruence of triangle are SAS, ASA, SSS and RHS.
SSA is not a criterion for congruence of triangles.
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संबंधित प्रश्न
You have to show that ΔAMP ≅ AMQ.
In the following proof, supply the missing reasons.
| Steps | Reasons | ||
| 1 | PM = QM | 1 | ... |
| 2 | ∠PMA = ∠QMA | 2 | ... |
| 3 | AM = AM | 3 | ... |
| 4 | ΔAMP ≅ ΔAMQ | 4 | ... |
Explain, why ΔABC ≅ ΔFED.
If perpendiculars from any point within an angle on its arms are congruent, prove that it lies on the bisector of that angle.
Prove that the perimeter of a triangle is greater than the sum of its altitudes.
In the given figure, prove that:
CD + DA + AB + BC > 2AC
In a triangle ABC, D is mid-point of BC; AD is produced up to E so that DE = AD. Prove that:
AB = CE.
In a triangle ABC, D is mid-point of BC; AD is produced up to E so that DE = AD. Prove that:
AB is parallel to EC.
The perpendicular bisectors of the sides of a triangle ABC meet at I.
Prove that: IA = IB = IC.
In the following figure, AB = EF, BC = DE and ∠B = ∠E = 90°.
Prove that AD = FC.
PQRS is a parallelogram. L and M are points on PQ and SR respectively such that PL = MR.
Show that LM and QS bisect each other.
