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Fill n the blanks if the angle of elev...

Fill n the blanks
if the angle of elevation a kite is `60^@` and the length of thread is `20sqrt3` metres, then the height of kite above the ground is____.

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If the angle of elevation of a kite is 60^(@) and the length of thread is 20sqrt(3) metres, calcluate the height of kite above the ground.

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UNITED BOOK HOUSE-SUJAPUR HIGH SCHOOL-EXERCISE
  1. Find the length of the chords which is 8 cm away from the centre of a ...

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  2. If tan 4 thetaxxtan 6 theta = 1 and 6 theta is a positive acute angle,...

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  3. Fill n the blanks if the angle of elevation a kite is 60^@ and the l...

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  4. If the height and curved surface area of a right circular cylinder ar...

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  5. The numerical values of volume of a solid hemisphere and its total sur...

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  6. Mean of a freqency distribution is 54, sumfixi = 2200+5k and sumfi = 4...

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  7. Throught the publicity of road safety programme, the street accidents...

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  8. Nivedita and Uma have started a business with capital Rs.3000 and Rs 5...

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

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  10. If the price of 1 dozen pen is reduced by ₨. 6, then 3 more pens will ...

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  11. Simplify : sqrt5/(sqrt2+sqrt3)-(3sqrt3)/(sqrt2+sqrt5)+(2sqrt2)/(sqrt3...

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  12. If x+y alpha x-y show that x^3+y^3 alpha x^3-y^3.

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  13. If x^2/(by+cz)=y^2/(cz+ax)=z^2/(ax+by)=1 then show that a/(a+x)+b/(b+y...

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  14. If (7x-5y):(3x+4y) = 7:11 then show that (3x-2y): (3x+4y) = 137 : 473

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

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  16. State and prove Pythagoras theorem.

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  17. ABCD is a cyclic quadrilateral. If AB = DC, then prove that AC= BD.

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  18. In a triangle PQR, anglePQR = 90^@ S is any point onQR. Prove that PS^...

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  19. Geometrically calculate the value of sqrt(23). (Only traces of constru...

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  20. Draw a triangle whose two side are 7.6 cm and 6 cm in length and the a...

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