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Fig.17 is made up of two triangles. f...

Fig.17 is made up of two triangles. find `/_D A B+/_A B C+/_B C D+/_C D Adot`

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In the six cornered figure, (fig.20), AC,AD and AE are joined. Find /_F A B+/_A B C+/_B C D+/_C D E+/_D E F+/_E F Adot

The fig.16 has been obtained by using two triangles.Find /_A+/_B+/_C+/_D+/_E+/_F

Show that the sum of the three altitudes of a triangle is less than the sum of three sides of the triangle. GIVEN : A A B C in which A D_|_B C ,B E_|_A C and C F_|_A Bdot PROVE : A D+B E+C F

/_A+/_B+/_C+/_D+/_E=

In a parallelogram A B C D , the diagonals bisect each other at Odot If /_A B C=30^0,\ /_B D C=10^0a n d\ /_C A B=70^0, Find: /_D A B ,\ /_A D C ,\ /_B C D ,\ /_A O D ,\ /_D O C ,\ /_B O C ,\ /_A O B ,\ /_A C D ,\ /_C A B ,\ /_A D B

In Fig.81, side B C of A B C has been produced to D and C E B Adot If /_A B C=65^0,\ /_B A C=55^0, find /_A C E ,\ /_E C D\ a n d\ /_A C Ddot

If in two triangles A B C and D E F , (A B)/(D E)=(B C)/(F E)=(C A)/(F D) , then F D E C A B (b) F D E A B C (c) C B A F D E (d) B C A F D E

If in two triangles A B C and D E F , /_A=/_E ,\ \ /_B=/_F , then which of the following is not true? (B C)/(D F)=(A C)/(D E) (b) (A B)/(D E)=(B C)/(D F) (c) (A B)/(E F)=(A C)/(D E) (d) (B C)/(D F)=(A B)/(E F)

A B D is a right triangle right-angled at A and A C_|_B D . Show that A B^2=B CdotB D (ii) A C^2=B CdotD C (iii) A D^2=B DdotC D (iv) (A B^2)/(A C^2)=(B D)/(D C)

RD SHARMA-PROPERTIES OF TRIANGLES-All Questions
  1. In fig. 15 , D , E are points on sides AB, AC of A B C such that ...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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