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In a right-angled isosceles triangle, th...

In a right-angled isosceles triangle, the ratio of the circumradius and inradius is

A

`2 sqrt(2)+1):1`

B

` sqrt(2)+1):1`

C

`2:1`

D

`sqrt(2):1`

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The correct Answer is:
B
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AAKASH SERIES-PROPERTIES OF TRIANGLES-ADDITIONAL PRACTICE EXERCISE (LEVEL 1 (MAIN)) (Straight Objective Type Questions)
  1. In a right-angled isosceles triangle, the ratio of the circumradius an...

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  2. In Delta ABC, (sinA(a-b cos C))/(sin C (c-b cos A))=

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  3. If in a triangle ABC,(1+cosA)/(a)+(1+cosB)/(b)+(1+cosC)/(c)=(k^(2)(1+c...

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  4. In DeltaABC, a=5, b=12, c=90^(@) and D is a point on AB so that angleB...

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  5. Let D be the middle point of the side BC of a triangle ABC. If the tri...

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  6. In the given figure, what is the radius of the inscribed circle?

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  7. If the hypotenuse of a right angled triangle is four times the length ...

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  8. If Pis a point on the altitude AD of the triangle ABC such that angleC...

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  9. If in DeltaABC,A=(pi)/(7),B=(2pi)/(7),C=(4pi)/(7) y then a^(2)+b^(2)+c...

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  10. If D is the mid-point of the side BC of triangle ABC and AD is perpend...

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  11. In a DeltaABC, if cot A :cot B:cot C = 30:19:6 then the sides a,b,c ar...

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  12. In DeltABc, Delta=6 abc=60, r=1. Then the value of (1)/(a)+(1)/(b)+(1)...

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  13. In an equilateral triangle, the inradius, circumradius, and one of the...

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  14. If two sides of a triangle are roots of the equation x^(2)- 7x + 8 = 0...

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  15. ABC is an equilateral triangle of side 4cm. If R,r, and h are the circ...

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  16. A circle is inscribed in a trianlge ABC touching the side AB at D such...

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  17. For triangle ABC, R = 5/2 and r=1. Let I be the incenter of the triang...

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  18. Let C be incircle of DeltaABC. If the tangents of lengths t(1),t(2) an...

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  19. In an acute angle triangle ABC r+r(1)=r(2)+r(3) and angleB gt (pi)/(3)...

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  20. If in triangle ABC, sum "sin"(A)/(2)=(6)/(5) and sum II(1)=9 (where l(...

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