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Answer any One queation : Prove that, if a perpendicular is draw on the hypotenuse from the right angled triangle, two triangles so formed on the two sides of the perpendicular are each similar to the original triangle and also similar to each other.

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UNITED BOOK HOUSE-RAMKRISHNA MMISSION BOYS SCHOOL-EXERCISE
  1. To dig a well of x dcm deep, one part of the total expenses varies di...

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  2. If x : a = y : b = z : c,then show that : (a^2+b^2+c^2)(x^2+y^2+z^2) =...

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  3. a+b+c+d=4 হলে , 1/((1-a)(1-b)(1-c)) +1/((1-b)(1-c)(1-d))+1/((1-c)(1-d)...

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  4. Answer any One queation : Prove that, if a perpendicular is draw on t...

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  5. Prove that the tangent and the radius through the point of contact of ...

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  6. Answer any One question : In triangleABC, AD is perpendicular on BC a...

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  7. Two circles touch externally at P. A direct common tangent AB to two c...

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  8. Geometrically find the value of sqrt(21),

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  9. Construct a triangle whose two sides are 9 cm and 7 cm and the angle b...

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  10. Find the circular value of 52^@52'30''.

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  11. If cot^4theta-cot^2 theta = 1 then show that sec^4 theta-sec^2 theta=1...

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  12. Find the value of : (sec17^@)/(cosec73^@)+(tan68^@)/(cot22^@)+cos^244^...

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  13. From a point on the roof a house 11 metres height, it is observed that...

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  14. If the angle of depression of two consecutive km stones on a road fro...

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  15. The volume of a sphere and a right circular cone are same. The height ...

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  16. An outlet pipe in the roof with length 13m and breadth 11m was closed ...

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  17. The external radius of a hollow sphere made of lead sheet of 1 cm thic...

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  18. If the median of the following data is 32, find the values of x and b...

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  19. Find the mean of the following data.

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  20. Draw an ogive(greater than type) from the following.

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