17. A cylindrical kite frame is to be constructed from a 4-m length of light bendable rod. The
frame will be made up of two circles joined by
four straight rods of equal length. In order to
maximize lift, the kite frame must be con-
structed to maximize the volume of the cylinder.
Into what lengths should the pieces be cut in
order to optimize the kite's flight?

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

an

y = 6x -3y -12

y +3y +12 = 6x

=> . x = { 2y / 3 +2 } this is equation of line in terms of x

=> . if line meets the x-axis the co-ordinates of meeting point would be ( x , 0 )

=> . x = 2 ( 0 ) / 3 + 2

=> . x = 2

so, the point is ( 2 , 0 )

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

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