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Sum of any two sides of a triangle is greater than the third side.

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State whether true or false Sum of any two sides of the triangle is less than the third side.

Prove that the difference of any two sides of a triangle is less than the third side.

Prove that the difference of any two sides of a triangle is less than the third side.

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Difference of any two sides of a triangle is less than to the third side.

Is the sum of any two angles of a triangle always greater than the third angle?

Using converse of Basic Proportionality theorem prove that the line joining the mid-points of any two sides of a triangle is parallel to the third side. (Recall that you have done it in Class IX).

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MODERN PUBLICATION-TRIANGLES-EXERCISE
  1. ABC is an isosceles triangle with AB = AC and AD is one of its altitud...

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  2. In triangleABC, AB=AC and angleA=100^@, find angleB and angleC.

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  3. Sum of any two sides of a triangle is greater than the third side.

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  4. In a triangle, the angle opposite to the longer side is :

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  5. The sides opposite to two equal angles of a triangle are :

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  6. If altitudes from two vertices of a triangle to the opposite sides are...

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  7. State True or false Bisectors of unequal angle of an triangle may be ...

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  8. In triangleABC,A=46^@,B=74^@ then find angle C

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  9. If two right triangles, one side and an acute angle of one triangle ar...

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  10. True or False :ASA is not a Congruent Criteirorn.

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  11. an equilateral triangle?

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  12. By ASA Congruence Criterion, two angls and included side of one triang...

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  13. Sides opposite to…………..angles to a triangle are equal.

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  14. A triangleABC is obtuse angled at point B then the longest side is…………...

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  15. If in two triangles trianglePQR and triangleDEF, PR=EF, QR=DE,PQ=FD, t...

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  16. In an equilateral triangles all angles are……………. .

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  17. Difference of any two sides of a triangle is equal to the third side.

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

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  19. The sum of three altitudes of a triangle is ........... Than its perim...

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  20. In right triangleABC and triangleDEF, if hypotenuse AB=EF and side AC=...

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