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Anonymous

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· 1 Months ago

The inradius of the base hexagon won't be its side(ie 3), it'll be the height of the equilateral triangles forming the hexagon. So, [sqrt(3)/2]*3. and then this value will be used to figure out the slant height.

Question:

 Find total surface area of an iron pyramid with hexagonal base of side 3 cm. If height of the pyramid is 4 cm. (approx.)

( 3=1.73   )


Options:
A)

 cm2

B)

 cm2

C)

 40.35 cm2

D)

  cm2

Solution:

  


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