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AB is the diameter of a hemisphere with ...

AB is the diameter of a hemisphere with radius 4 cm in length and `angleACB` is a semicircular angle. If `BC = 2sqrt7cm`, then find the length of AC.

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UNITED BOOK HOUSE-BARANAGAR RAMAKRISHAN MISSION HIGH SCHOOL-EXERCISE
  1. If (a+b):sqrt(ab) = 2:1 find a:b.

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  2. AB is a chord of a circle with centre at O and radius 13 cm in length ...

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  3. AB is the diameter of a hemisphere with radius 4 cm in length and angl...

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  4. In a circle, if an arc of 220 cm length subtends an angle of measure 6...

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  5. If tan 8 theta.tan 10 theta=1 and 10theta is a positive acute angle, ...

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  6. The curved surface area of a right circular cone is sqrt(10) times of ...

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  7. If the total surface area of a cube is 216 sq.meter, then find its vol...

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  9. If ui = (xi-25)/10 , sumfiui = 30 and sumfi = 50, find barx.

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  10. If the rate of compound interet for the 1st and 2nd year are 4% and 5%...

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  11. At the same rate of simple interest in percent per annum, if a princip...

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  12. Solve: x/(x+1)+(x+1)/x = 2 1/12 (x!=0,-1)

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  13. If the price of 1 dozen pin is reduced by 2 paisa, then 6 more pins wi...

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  14. If x - sqrt((sqrt5+1)/(sqrt5-1)), show that x^2-x-1=0

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  15. y is sum of two variables, one in which varies directly with x and ano...

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  16. If (x^2-yz)/a=(y^2-zx)/b=(z^2-xy)/c , show that (a+b+c)(x+y+z)=(ax+by...

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  17. If b/(a+b)= (a+c-b)/(b+c-a)=(a+b+c)/(2a+b+2c) where a+b-c !=0, show th...

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  18. Answer any one question : Prove that angles in the same segment of a c...

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  19. State and prove the convere of the Pythagoras theorem.

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  20. ABCD is a cyclic quadrilaterla. Extended AB and DC intersect at P. Pr...

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