Important Questions of Triangles Mathematics | Zigya

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 Multiple Choice QuestionsShort Answer Type

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501. In figure, AB >  AC, BO and CO are the bisectors of ∠B and ∠C respectively. Show that OB >  OC.


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502.

In the given figure, ∠ABD = 130° and ∠EAC = 120°. Prove that AB >  AC.

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503. If AD is the bisector of ∠A of ∆ ABC, show that AB > DB.
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 Multiple Choice QuestionsLong Answer Type

504. 0 is a point in the interior of ∆PQR.

OP + OQ + OR > 1 half (PQ + QR + RP).
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 Multiple Choice QuestionsShort Answer Type

505. In figure, D is any point on the base BC produced of an isosceles triangle ∆ABC. Prove that AD > AB.


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506. In figure, S is any point in its interior of ∆PQR. Show that SQ + SR <  PQ + PR.


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507. Prove that the difference of any two sides of a triangle is less than the third side.
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 Multiple Choice QuestionsMultiple Choice Questions

508. In the following figure, ∠B > ∠A and ∠D > ∠E. Then, the relation between AE and BD is


  • AE = BD
  • AE >  BD
  • AE <  BD 
  • AE <  BD 
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509. In ∆ABC, AB > AC and D is any point on side BC. Then, the relation between AB and AD is


  • AB >  AD
  •  AB = AD
  • AB <  AD
  • AB <  AD
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510. In the following figure, in ∆ABC, AB = AC; CD = CA and ∠ADC = 20°. Then, ∠ABC =


  • 10°
  • 20°
  • 30°
  • 30°
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