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Math Help - Hexagon Pyramid thingys.

  1. #1
    Senior Member Mukilab's Avatar
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    Hexagon Pyramid thingys.

    There is a pyramid. The apex is V. It has a base of a regular hexagon with sides 2cm. The sloping sides have length of 6cm. O is the centre of the base. Calculate the height of V above the base of the pyramid. Give answer to 3 significant figures.
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  2. #2
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    Quote Originally Posted by Mukilab View Post
    There is a pyramid. The apex is V. It has a base of a regular hexagon with sides 2cm. The sloping sides have length of 6cm. O is the centre of the base. Calculate the height of V above the base of the pyramid. Give answer to 3 significant figures.
    The hexagon is made of six equilateral triangles.
    Each side has length 2.
    If you make a sketch, you can see that the sloping side becomes the hypotenuse of a right triangle with length 6. The base is the dimension 2.

    Should be no problem to determine the remaining side of the right triangle.
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