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In Delta ABC, if a=5, A=30^@, then the c...

In `Delta ABC, if a=5, A=30^@`, then the circumradius is

A

4

B

3

C

6

D

5

Text Solution

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
  1. If two sides of a triangle are the roots of the equation 4x^2-(2sqrt6)...

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  2. The straight roads intersect at angle of 60^@. A bus on one road is 2k...

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  3. In Delta ABC, if a=5, A=30^@, then the circumradius is

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  4. If the length of each side of an equilateral triangle is 10 cm, then i...

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  5. The diameter of the circumcircle of the triangle whose sides 61,60,11 ...

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  6. IF the sides of a triangle ABC are 6,8,10 unit , then the radius of i...

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  7. IF the perimeter of a triangle is 12 times the arithmetic mean of the ...

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  8. In Delta ABC, if b=c=R then A=

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  9. IF the area of the triangle ABC is a^2-(b-c)^2, then its circumradius ...

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  10. If Delta =a^2-(b-c)^2, is the area of the triangle ABC, then tan A=

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  11. IF the sides of a triangle are 7,4sqrt3,sqrt13 then its smallest angle...

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  12. In Delta ABC, if cot""A/2: cot""B/2:cot ""C/2=1:4:15, then the greates...

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  13. IF x^2+x+1,2x+1,x^2-1 are the sides of a triangle then its largest ang...

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  14. If the sides of a triangle are in the ratio x:y:sqrt(x^2+xy+y^2), then...

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  15. The sides of a triangle are sin alpha,cos alpha and sqrt(1+sin alpha c...

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  16. The smallest angle of the triangle whose sides are 6+sqrt12,sqrt48,sqr...

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  17. IF the angles of a triangle are in the ratio 2:3:5, then the ratio of ...

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  18. If the angles of a right angled triangle are in A.P then the sides are...

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  19. IF the angles of a triangle are in the ratio 1:2:3, the corresponding ...

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  20. If the angles of a triangle are in the ratio 1:2:7, then the ratio of ...

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