Answer available
Class 9 · Mathematics · Triangles
State the four conditions of congruency of two triangles.
2 marksEasyShort answer
ICSE question bank
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8 questions
- Answer available
Class 9 · Mathematics · Triangles
In triangle ABC, AB = AC and D is the midpoint of BC. Prove that AD is perpendicular to BC.
3 marksMediumStructured
- Answer available
Class 9 · Mathematics · Triangles
Prove that the angles opposite to the equal sides of an isosceles triangle are equal.
3 marksMediumStructured
- Answer available
Class 9 · Mathematics · Triangles
Explain why SSA is not a valid criterion for the congruency of two triangles.
3 marksMediumShort answer
- Answer available
Class 9 · Mathematics · Triangles
Two triangles are congruent by the RHS rule when:
1 markEasyMCQ
- Answer available
Class 9 · Mathematics · Triangles
In triangles ABC and PQR, AB = PQ, BC = QR and angle B = angle Q. State the criterion by which the triangles are congruent and name three pairs of equal parts that follow.
3 marksMediumShort answer
- Answer available
Class 9 · Mathematics · Triangles
In an isosceles triangle ABC, AB = AC and ∠A = 40°. Find ∠B and ∠C.
3 marksMediumStructured
- Answer available
Class 9 · Mathematics · Triangles
State the condition for two triangles to be congruent by the SAS criterion.
2 marksEasyShort answer