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Julie-0606 Group Title

A steel plate has the form of a quarter of a circle with a radius of 49 cm. Two 2-cm holes are to be drilled in the plate. Let (X1,Y1) and (X2,Y2) be the coordinates of the centers of the holes. Find the coordinates for both holes.

  • one year ago
  • one year ago

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  1. aajugdar Group Title
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    |dw:1363526480912:dw|

    • one year ago
  2. aajugdar Group Title
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    is it trigonometry problem?

    • one year ago
  3. aajugdar Group Title
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    @ZeHanz i don't get this

    • one year ago
  4. ZeHanz Group Title
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    We could assume the holes are drilled at equal distance r from the bottom-left corner. If so, \((x_1, y_1)\) and \((x_2, y_2)\) both would have to satisfy the equation x²+y²=r². We could also assume certain angles at which they are to be drilled. I think we have too little information...

    • one year ago
  5. aajugdar Group Title
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    yeah confusing

    • one year ago
  6. DHASHNI Group Title
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    @Julie-0606 : insufficient data ,,,, they didnt provide from where they are holing

    • one year ago
  7. Julie-0606 Group Title
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    • one year ago
  8. Julie-0606 Group Title
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    Sorry forgot to attach that :/

    • one year ago
  9. DHASHNI Group Title
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    in polar form we represent a point as (rcos a, r sin a) where r is the radius and a is the angle so (x1,y1) = (34 cos 25 ,34 sin 25) ans (x2,y2) = (34 cos (25+24) , 34 sin (25+24)) =(34 cos49,34sin 49)

    • one year ago
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