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In △ A B C ,\ /B=45^0,\ /C=55^0 and bise...

In `△ A B C ,\ /_B=45^0,\ /_C=55^0` and bisector of `/_A` meets `B C` at a point `Ddot` Find `/_A D B\ a n d\ \ /_A D C`

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In triangle A B C ,/_B=45^0,/_C=55^0 and bisector of /_A meets B C at a point Ddot Find /_A D B and /_A D Cdot

In A B C ,/_A=50^0,/_B=70^0 and bisector of /_C\ m e e t s\ A B\ a t\ Ddot find the angles of the triangle A D C and B D Cdot

In A B C , if /_B=60^0,\ /_C=80^0 and the bisectors of angles /_A B C\ a n d\ /_A C B meet at a point O , then find the measure of /_B O C.

In A B C , /_A=60^0,\ /_B=80^0 and the bisectors of /_B\ a n d\ /_C meet at O . Find : (i) /_C (ii) /_B O Cdot

In a triangle A B C ,\ /_A B C=\ /_A C B and the bisectors of /_A B C\ a n d\ /_A C B intersect at O such that /_B O C=120^0dot Show that /_A=/_B=/_C=60^0 .

In a A B C ,\ /_A=50^0a n d\ B C is produced to a point Ddot If the bisectors of /_A B C\ a n d\ /_A C D meet at E , then /_E= (a) 25^0 (b) 50^0 (c) 100^0 (d) 75^0

The side B C of A B C is produced to a point Ddot The bisector of /_A meets side B C in Ldot If /_A B C=30^0a n d\ /_A C D=115^0, then /_A L C= 85^0 (b) 72 1/2^0 (c) 145^0 (d) none of these

In A B C ,\ /_A=100^0a n d\ A B=A Cdot Find /_B\ a n d\ /_C

In A B C ,\ /_A=50^0\ a n d\ B C is produced to a point D. The bisectors of /_A B C\ a n d\ /_A C D meet at Edot find /_Edot

In A B C ,\ /_B=60^0,/_C=40^0,\ A L_|_B C\ a n d\ A D bisects /_A such that L and D lie on side B Cdot Find /_L A Ddot

RD SHARMA ENGLISH-TRIANGLE AND ITS ANGLES-All Questions
  1. In Figure, T Q\ a n d\ T R are the bisectors of /Q\ a n d\ /R respecti...

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  2. In Figure, m\ and\ n are two plane mirrors perpendicular to each oth...

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  3. In △ A B C ,\ /B=45^0,\ /C=55^0 and bisector of /A meets B C at a poin...

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  4. In Figure, prove that PM=PN= root 3 × a

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  5. In a Triangle A B C , if /A=55^0,\ /B=40^0, find /C

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  6. If the angles of a triangle are in the ratio 1:2:3, determine three...

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

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  8. The angle of a triangle are arranged in ascending order of magnitud...

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

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

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  11. A B C is a triangle in which /A=72^0, the internal bisectors of ang...

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  12. The bisectors of base angles of a triangle cannot enclose a right a...

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  13. If the bisectors of the base angles of a triangle enclose an angle ...

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  14. In a triangle A B C ,\ /A B C=\ /A C B and the bisectors of /A B C\ a...

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  15. Can a triangle have: Two right angles? (ii) Two obtuse angles? Two acu...

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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. An exterior angle of a triangle is 11 0^0, and one of the interior ...

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  18. The sides B C ,\ C A\ a n d\ A B\ of a triangle A B C , are produced...

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  19. In Figure, if Q T|P R ,\ /T Q R=40^@\ a n d\ \ /S P R=30^@, find x\ a ...

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  20. In Figure, side Q P\ a n d\ R Q of P Q R are produced to point S\ a n...

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