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In fig. 15 , D , E are points on sides A...

In fig. `15 , D , E` are points on sides AB, AC of ` A B C` such that `D E||B Cdot` if `/_B=30^0\ a n d\ /_A=40^0,` find `x^0, y^0, z^0dot`

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RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES-All Questions
  1. One of the acute angles of a right triangle is 58^0 , find the othe...

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  2. In fig. 14 , A B C is right-angled at C ,\ a n d\ C D|A Bdot also /A=...

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  3. In fig. 15 , D , E are points on sides AB, AC of A B C such that ...

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  4. The fig.16 has been obtained by using two triangles. Find /A+/B+/C+...

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

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

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

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

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

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

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

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

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

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

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

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

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  17. In each of the following, the measures of three angles are given. St...

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

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

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  20. One angle of a triangle is greater than the sum of the other two. Wh...

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