Hexagonal 13891

A regular hexagonal pyramid has a base inscribed in a circle with a radius of 8 cm and a height of 20 cm. Please sketch the picture. Please calculate the surface of a regular hexagonal pyramid.

Correct answer:

S =  674.2611 cm

Step-by-step explanation:

r=8 cm a=5=8 cm h=20 cm a=r=8 cm  s2 = h2 + a2 s=h2+a2=202+82=4 29 cm21.5407 cm  w=s2(a/2)2=21.54072(8/2)2=8 7 cm21.166 cm  S1=3 3/2 a2=3 3/2 82=96 3 cm2166.2769 cm2 S2=2a w=28 21.166=32 7 cm284.664 cm2  S=S1+6 S2=166.2769+6 84.664=674.2611 cm

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