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For a regular polygon , let r and R be t...

For a regular polygon , let r and R be the radii of the inscribed and circumscribed circles. A false statement among the following is

A

These is a regular polygon with `r/R = 1/sqrt2`

B

There is a regular polygon with `r/R=2/3`

C

There is a regular polygon with `r/R = sqrt3/2`

D

There is a regular polygon with `r/R = 1/2`

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The correct Answer is:
B
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For a regular polygon, let r and R be the radii of the inscribed and the circumscribed circles. A false statement among the following is There is a regular polygon with r/R=1/(sqrt(2)) (17) There is a regular polygon with r/R=2/3 (30) There is a regular polygon with r/R=(sqrt(3))/2 (47) There is a regular polygon with r/R=1/2 (60)

The false statement among the following is

The false statement among the following :

ML KHANNA-PROPERTIES OF TRIANGLES -Problem Set (4)(MULTIPLE CHOICE QUESTIONS)
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  2. In DeltaABC," if " angleC=90^(@)," then " (a+c)/(b)+(b+c)/(a) is equal...

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  3. The in- radius of the triarigle formed by the axes and the line 4x + 3...

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  4. In a triangle ABC , let angleC=(pi)/2. If r is the in-radius and R is ...

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  5. In a triangle ABC right angled at B, the inradius r is equal to

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  6. In an acute angled triangle which one of the following is true

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  7. Two sides of a triangle are 2 and sqrt3 and the included angle is 30^@...

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  9. In a triangle ABC if r1=R, then

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  11. Which of the following pieces of data does not uniquely determine an a...

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  12. If twice the square on the diameter of a circle is equal to sum of the...

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  13. (r1-r)(r2+r3)=?

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  14. Show that, 4 R r cos ""A/2cos ""B/2 cos ""C/2 =S

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  18. Three circles whose radii are 2, 3, 4 units and having centres as C1,C...

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  19. If r1, lt r2, lt r3 are the ex-radii of a right angled triangle and r1...

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  20. For a regular polygon , let r and R be the radii of the inscribed and ...

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