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Rectangle ABCD has area 200.An ellipse w...

Rectangle ABCD has area 200.An ellipse with area `200pi` passes through A and C and has foci at B and D. Find the perimeter of the rectangle.

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Knowledge Check

  • AC, a diagnonal of the rectange ABCD , measure 5 units. The area of the rectangle is 12 sq. units. What is the perimeter of the rectangle?

    A
    7
    B
    14
    C
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    D
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  • In the figure, ABCD is a rectangle, and F and E are points on AB and BC respectively. The area of Delta DFB is 9 and the area of Delta BED is 24. What is the perimeter of the rectangle?

    A
    18
    B
    23
    C
    30
    D
    42

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