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Is it possible to have triangle, in w...

Is it possible to have triangle, in which Two of the angles are right? Two of the angles are obtuse? Two of the angles are acute? Each angle is less than `60^0?` Each angle is greater than `60^0?` Each angle is equal to `60^0?` Give reason in support of your answer in each case.

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Can a triangle have: Two right angles? (ii) Two obtuse angles? Two acute angles (iv) All angles more than 60^0 ? All angles less than 60^0 ? (vi) All angles equal to 60^0

If one angle of a triangle is 60^0 and the other two angles are in the ratio 1:2, find the angles.

Can a triangle have two obtuse angles ? Give reason for your answer.

Can a triangle have all angles less than 60^(@) ? Given reason for your answer.

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Prove that each angle of an equilateral triangle is 60^0

If each angle of a triangle is less than the sum of the other two, show that the triangle is acute angled.

If each angle of a triangle is less than the sum of the other two, show that the triangle is acute angled.

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RD SHARMA ENGLISH-PROPERTIES OF TRIANGLES-All Questions
  1. If one angle of a triangle is 100^0 and the other angles are in ...

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  2. In a A B C ,\ if\ 3/ \ A=4/ B=6/ C , calculate the angles.

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  3. Is it possible to have triangle, in which Two of the angles are ...

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  4. In A B C ,/A=100^0 ,A D\ b i s e c t s\ /A\ a n d\ A D|B Cdot f i n d...

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  5. In A B C ,/A=50^0,/B=70^0 and bisector of /C\ m e e t s\ A B\ a t\ Dd...

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  6. In A B C , /A=60^0,\ /B=80^0 and the bisectors of /B\ a n d\ /C meet ...

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  7. The bisectors of the acute angles of a right triangle meet at O . F...

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  8. In A B C ,\ /A=50^0\ a n d\ B C is produced to a point D. The bise...

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  9. In A B C ,\ /B=60^0,/C=40^0,\ A L|B C\ a n d\ A D bisects /A such tha...

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  10. Line segments AB and CD intersect at O such that A C||D B . If /C A...

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  11. In fig.22, A B C is right angled at Adot\ Q\ \ a n d\ R are points on...

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  12. In fig.25,two of the angles are indicated what is the measure of\ /...

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  13. An exterior angle of a triangle is 110^(0\ )\ and one of the inter...

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  14. One of the angles of a triangle has measure 80^0 and the other two ...

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  15. In fig.28, the measures of some of the angles are indicated. Find t...

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  16. In fig. 29, find /A B D , also, if /C=3\ /A B C , find /A B Cdot

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  17. In fig.30, find (i) /A C D , (ii) /A E D

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  18. The sides B C ,C A and A B of a triangle A B C , are produced in or...

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  19. The side B C of aA B C is produced on both sides. Show that the sum of...

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  20. Sides B C ,C A and BA of a triangle A B C are produced to D ,Q ,P resp...

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