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BE and CF are two equal altitudes of a t...

BE and CF are two equal altitudes of a triangle ABC. Using RHS congruence rule, prove that the triangle ABC is isosceles.

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VGS PUBLICATION-BRILLIANT-TRIANGLES-EXERCISE
  1. AD is an altitude of an isosceles triangle ABC in which AB = AC. Show ...

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  2. Two sides AB, BC and median AM of one triangle ABC are respectively eq...

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  3. BE and CF are two equal altitudes of a triangle ABC. Using RHS congrue...

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  4. triangleABC is an isosceles triangle in which AB = AC. Show angleB=ang...

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  5. DeltaABC is an isosceles triangle in which AB = AC. Side BA is produc...

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  6. ABC is a right angled triangle in which /A = 90^@ and AB = AC. Show th...

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  7. Show that the angles of an equilateral triangle are 60^@ each.

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  8. In angleABC, D is a point on side BC, triangleABC such that AD. AC (se...

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  9. Show that in a right angled triangle, the hypotenuse is the longest si...

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  10. In the given figure, angleBltangleA and angleCltangleD. Show that ADlt...

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  11. AB and CD are respectively the small est and longest sides of a quadri...

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  12. If two sides of a triangle measure 4 cm and 6 cm find all possible mea...

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  13. State SAS congruency rule.

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  14. State ASA congruency rule.

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  15. State SSS congruency rule.

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  16. State RHS congruency rule.

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  17. Write the properties of a triangle re lating to its sides.

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  18. What are called congruent figures?

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  19. When do you say that triangleABC ~= triangleDEF ? (Use S.S.S. congruen...

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  20. In the given figure, the point P bisects AB and DC. Prove that triangl...

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