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The vertical height of a conical text te...

The vertical height of a conical text tent is 10 metre and diameter of base is 15 metre. If the cost of canvas per sq.m. is RS 3.50, find the cos tof canvas to make the tent.

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UNITED BOOK HOUSE-PATHA BHAVAN-EXERCISE
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  2. If a/(4-a)+b/(4-b)+c/(4-c)=1 prove that 1/(4-a)+1/(4-b)+1/(4-c)=1

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  3. if a:b = b:c prove that ((a+b)/(b+c))^2 = (a^2+b^2)/(b^2+c^2).

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  4. State and prove Pythagoras theorem.

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  5. If two circles touch each other externally then the point of contact w...

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

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  7. AB is a diameter of a circle with centre O and AC is a chord . The str...

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  8. Answer any one question : Draw an equilateral triangle of side of 6 c...

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  9. Geometrically find the value of sqrt(15).

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  10. If xsin^3a+ycos^3a = sin a cos a and x sin a- y cos a = 0, then show t...

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  11. find the value of (2 tan 30^@ cos 60^@)/(1+tan^2 30^@)-(tan^2(45^@)-1/...

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  12. If 2sinA-1 = 0 then show that sin3A = 3 sinA -4sin^3A.

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  13. The upper part of a lamp-post is broken by strom and the top touches t...

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  14. If the angle of elevation of the Sun is 60^@, then the length of the s...

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  15. The area of curved surface of right circular cylinder is 880sq.cm. and...

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  16. From a solid iron sphere of diameter 18cm, a right circular cylindrica...

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  17. The vertical height of a conical text tent is 10 metre and diameter of...

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  18. Find the median from the following given data.

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  19. In the frequency distribution table given below, the average daily wag...

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  20. find the mode from the following given data.

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