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In triangleABC, AB=AC and angleA=100^@, ...

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

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MODERN PUBLICATION-TRIANGLES-EXERCISE
  1. In the fig. find x and y

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  2. ABC is an isosceles triangle with AB = AC and AD is one of its altitud...

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

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

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

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

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

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

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

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

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

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  12. an equilateral triangle?

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

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

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

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

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

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

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

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

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