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In a triangle if the sum of two sides is...

In a triangle if the sum of two sides is x and their product is y such that (x+z) (x-z)=y where z is the third side of the triangle then the triangle is

A

equilateral

B

right angled

C

obtuse angled

D

none

Text Solution

Verified by Experts

The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1A
  1. If the angles of a triangle are 30^@,45^@ and the included side is sqr...

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  2. If two angles of a Delta ABC are 45^@ and 60^@, then the ratio of the ...

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  3. In a triangle if the sum of two sides is x and their product is y such...

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  4. IF 4,5 are two sides of a triangle and the included angle is 60^@, the...

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  5. IF 13,14,15 are the sides of the triangle , then the area of the trian...

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  6. In Delta ABC, if a= 2, B=120^@, C=30^@, then the area of the triangle ...

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  7. In Delta ABC, if c^2=a^2+b^2,2s=a+b+c, then 4s(s-a)(s-b)(s-c)=

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  8. In Delta ABC, if a=4, b=3 angle A=60^@, then c is the root of the equa...

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  9. In a triangle ABC, medians AD and BE are drawn.IF angle D=4, angle DAB...

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  10. If two sides of a triangle are the roots of the equation 4x^2-(2sqrt6)...

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

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

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

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

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

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

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

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

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

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

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