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Prove that the perimeter of a triangle is greater than the sum of its three medians.

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Prove that the perimeter of a triangle is greater than the sum of the three medians. GIVEN: A o+ ABC in which AD,BE and CF are its medians.TO PROVE: AB+BC+AC>AD+BE+CF

Prove that the perimeter of a triangle is greater than the sum of its altitudes.

Prove that the perimeter of any triangle is greater than the sum of three altitudes.

Consider the following statements : 1. The perimeter of a triangle is greater than the sum of its three medians. 2. In any triangle ABC, if D is any point on BC, then AB + BC + CA gt 2AD. Which of the above statements is/are correct?

Prove that the sum of three altitudes drawn from the vertices to opposite sides of a triangle is less than the sum of three sides. or Prove that the perimeter of a triangle is greater than the sum of three altitudes drawn from the vertices to opposite of a triangle.

Consider the following statements in respect of any triangle I. The three medians of a triangle divide it into six triangles of equal area. II. The perimeter of a triangle is greater than the sum of the lengths of its three medians. Which of the statements given above is/are correct ?

Prove that the sum of any two sides of a triangle is greater than two times the median of third side.

If the perimeter of a triangle is 6, then its maximum area is

Prove that sum of any two medians of a triangle is greater than the third median.

Which of the following statements are true (T) and which are false (F)? Sum of the three sides of a triangle is less than the sum of its three altitudes. Sum of any two sides of a triangle is greater than twice the median drawn to the third side. Sum of any two sides of a triangle is greater than the third side. Difference of any two sides of a triangle is equal to the third side. If two angles of a triangle are unequal, then the greater angle has the larger side opposite to it. Of all the line segments that can be drawn from a point to a line not containing it, the perpendicular line segment is the shortest one.

NAVNEET PUBLICATION - MAHARASHTRA BOARD-TRIANGLES-SKILL TESTING EXERCISE
  1. In the given figure, XM and YN are both lt perpendicular to line segme...

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  2. In the given figure AB and CD bisect each other at O. Prove that AC = ...

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  3. In rectangle ABCD, E is the midpoint of side BC. Prove that, AE = DE.

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  4. Prove that the medians of an equilateral triangle are equal.

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  5. In the given figure, AB and DC are both perpendicular to line segment ...

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  6. In triangle ABC, the bisectors of angleB and angle C intersect at I. ...

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  7. In a triangle ABC , AB = AC and angle A = 36^(@) If the internal ...

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  8. In the given figure, PS = PR and /TPS = /QPR. Prove that PT = PQ.

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  9. In triangle ABC, D is the midpoint of BC. DFZAB and DE bot AC, where p...

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  10. In parallelogram ABCD, diagonals AC and BD are equal. Find the measure...

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  11. triangle ABC and triangle DBC are isosceles triangles on the same base...

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  12. A D ,\ B E\ a n d\ C F , the altitudes of A B C are equal. Prove that...

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  13. In quadrilateral ABCD, BA = BC and DA = DC. Prove that BD bisects ang...

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  14. In triangle ABC, AB gt AC and D is any point on BC. Prove that, AB gt...

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  15. In triangle ABC, AC gt AB. AB is extended to P and AC is extended to Q...

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  16. In triangle ABC, AD, BE and CF are altitudes. Prove I, that, AD + BE +...

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  17. S is any point in the interior of a trianglePQR . Prove that SQ +SR l...

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  18. In triangle ABC, AD is a median. Prove that AB + AC gt 2AD

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  19. Prove that the perimeter of a triangle is greater than the sum of its ...

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