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The sides A B and A C of A B C are prod...

The sides `A B` and `A C` of ` A B C` are product to `P` and `Q\ ` respectively. the bisectors of exterior angles at `B` and `C` of ` A B C` meet at `O\ ` (fig.19) prove that `/_B O C=90^0-1/2/_A`

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  1. Fig.17 is made up of two triangles. find /D A B+/A B C+/B C D+/C D...

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  2. In five cornered fig. 18,A D , A C are joined. Find /E A B+/B A C+/B C...

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  3. The sides A B and A C of A B C are product to P and Q\ respectively....

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  4. Two angles of a triangle are of measures 105^0\ a n d\ 30^0dot find...

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  5. One of the angles of a triangle is 130^0, and the other two angles ...

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  6. The three angles of a triangle are equal to one another. What is th...

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  7. If the angles of a triangle are in the ratio 1:\ 2:\ 3, determine t...

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  8. The angles of a triangle are (x-40)^0,\ (x-20)^0\ a n d\ (1/2x-10)^...

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  9. The angles of a triangle are arranged in ascending order of magnitu...

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  10. Two angles of a triangle are equal and the third angle is greater t...

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  11. If one angle of a triangle is equal to the sum of the other two, sh...

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  12. If each angle of a triangle is less than the sum of the other two, ...

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  13. In each of the following, the measures of three angles are given. S...

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  14. The angles of a triangle are in the ratio 3:4: 5. Find the smallest...

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  15. Two acute angles of a right triangle are equal. Find the two angles...

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  16. One angle of a triangle is greater than the sun of the other two. W...

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  17. In the six cornered figure, (fig.20), AC,AD and AE are joined. Find /...

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  18. Find x , y , z ( whichever is required) in the figures (fig.21) giv...

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  19. If one angle of a triangle is 60^0 and the other two angles are ...

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  20. If one angle of a triangle is 100^0 and the other angles are in ...

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