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In triangles A B C and D E F , /A=/E=4...

In triangles `A B C` and `D E F` , `/_A=/_E=40^0` , `A B : E D=A C : E F` and `/_F=65^0` , then `/_B=` `(a) 35^0` `(b) 65^0` `(c) 75^0` `(d) 85^0`

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In a A B C , if /_A+/_B=150^0 and /_B+/_C=75^0, then /_B= (a) 35^0 (b) 45^0 (c) 55^0 (d) 25^0

In Figure, If /_A B C=45^0, then /_A O C= (a) 45^0 (b) 60^0 (c) 75^0 (d) 90^0

In a rhombus A B C D , if /_A C B=40^0, then /_A D B= (a) 70^0 (b) 45^0 (c) 50^0 (d) 60^0

If /_\A B C and /_\D E F are similar triangles such that /_A=47^0 and /_E=83^0 , then /_C= (a) 50^0 (b) 60^0 (c) 70^0 (d) 80^0

In A B C ,\ /_B=/_C and ray A X bisects the exterior angle /_D A CdotIf\ /_D A X=70^0,\ t h e n\ /_A C B= (a) 35^0 (b) 90^0 (c) 70^0 (d) 55^0

In Figure, A O B is a straight line. If /_A O C+/_B O D=85^0, then /_C O D= (a) 85^0 (b) 90^0 (c) 95^0 (d) 100^0

In Fig.102, A B C D E F ,\ /_A B G=110^0,/_G C D=100^0 and /_B G C=x^0dot the value of x is (a) 35 (b) 50 (c) 30 (d) 40

In Figure, P Q||R S ,\ /_A E F=95^0,\ /_B H S=110^0\ a n d\ /_A B C=x^0dot Then the value of x is (a) 15^0 (b) 25^0 (c) 70^0 (d) 35^0

In a A B C , if A B=A C\ a n d\ B C is produced to D such that /_A C D=100^0, then /_A= (a) 20^0 (b) 40^0 (c) 60^0 (d) 80^0

In Figure, if E C || A B ,\ /_E C D=70^0A N D\ /_B D O=20^0 , then /_O B D is: 20^0 (b) 50^0 (c) 60^0 (d) 70^0

RD SHARMA ENGLISH-TRIANGLES-All Questions
  1. In A B C , a line X Y parallel to B C cuts A B at X and A C at Y . ...

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  2. In Delta A B C , D and E are points on side A B and A C respectively...

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  3. In triangles A B C and D E F , /A=/E=40^0 , A B : E D=A C : E F and ...

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  4. If /\A B C and /\D E F are similar triangles such that /A=47^0 and /...

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  5. If D ,\ E and F are the mid-points of the sides of a /\A B C , the ...

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  6. In a A B C , /A=90^o , A B=5c m and A C=12 c m . If A D|B C , then A ...

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  7. In an equilateral triangle A B C , if A D|B C , then (a) 2\ A B^2=3...

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  8. If A B C is an equilateral triangle such that A D|B C , then A D^2=...

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  9. In a A B C , perpendicular A D from A on B C meets B C at D . If B...

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  10. In a Delta A B C , point D is on side A B and point E is on side A C ...

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  11. In a A B C , A D is the bisector of /B A C . If A B=6c m , A C=5c ...

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  12. In a A B C , A D is the bisector of /B A C . If A B=8c m , B D=6c ...

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  13. A B C D is a trapezium such that B C || A D and A D=4c m . If the ...

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  14. If A B C is an isosceles triangle and D is a point on B C such tha...

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  15. A B C is a right triangle right-angled at A and A D|B C . Then, (B D...

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  16. If E is a point on side C A of an equilateral triangle A B C suc...

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  17. If in A B C and D E F , (A B)/(D E)=(B C)/(F D) , then A B C ~ D E...

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  18. If in two triangles A B C and D E F , (A B)/(D E)=(B C)/(F E)=(C A)...

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  19. A B C D E F , a r( A B C)=9c m^2 , a r( D E F)=16 c m^2 . If B C=2. ...

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  20. The length of the hypotenuse of an isosceles right triangle whose o...

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