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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-JHOWDANGA SAMMILANI HIGH SCHOOL-EXERCISE
  1. If 2x + 1/x = 2, then find the value of (x)/(2x^2+x+1).

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  2. If (a+b) : sqrt(ab) = 4:1 then find a:b.

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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. ABCD is a cyclic quadrilateral. AB extended upto X. If angleXBC = 89^@...

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  5. O is the centre of a circle. An external point P is 26 cm away from th...

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

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  7. If the ratio of length of shadow of a tower and height of the tower is...

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  8. The lower and upper part of a solid object are hemispherical and conic...

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  9. The length of diagonal of each surface of a cube is 4sqrt2cm. Calculat...

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  10. If ui = (xi-25)/10 sumfiui = 20 and sumfi = 100, find barx.

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  11. The amount (Principal along with interest) of some money becomes Rs 49...

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  12. A and B have started a business together with capitals of Rs 6,200 an...

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  13. If one root of the equation ax^2+bx+c=0 (a!=0) is twice the other, tha...

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  14. Solve: a/(x-b)+b/(x-a) = 2(x!=b,a)

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  15. If x=(sqrt3+1)/(sqrt3-1) and xy=1 then find the value of (3x^2+5xy+3y^...

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  16. If 15 farmers can cultivate 18 bighas of land in 5 days, then calculat...

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  17. If a^2/(b+c)=b^2/(c+a)=c^2/(a+b)=1, show that 1/(1+a)+1/(1+b)+1/(1+c)=...

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  18. If the 1st and 2nd of the five numbers in continued proportion are 2 a...

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  19. Prove that opposite angles of a cyclic quadrilateral are supplementary

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  20. State and prove Pythagoras theorem.

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