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An isogonal is...

  • A

    A wing design that uses equal camber lines above and below the wing.

  • B

    A wing design using a symmetrical shape above and below the wing.

  • C

    A line of equal magnetic variation.

  • D

    A device for testing fuel.

Refer to figure.
An isogonal is a line that connects points with the same magnetic variation. It does not indicate the direction of magnetic north.

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