Hexagonal pyramid

Calculate the volume and the surface of a regular hexagonal pyramid with a base edge length of 3 cm and a height of 5 cm.

Correct answer:

V =  38.9711 cm3
S =  74.0951 cm2

Step-by-step explanation:

a=3 cm h=5 cm n=6  S0=43 a2=43 323.8971 cm2 S1=n S0=6 3.897123.3827 cm2 V=31 S1 h=31 23.3827 5=38.9711 cm3
a2=23 a=23 32.5981 cm h2=a22+h2=2.59812+525.6347 cm S2=2a h2=23 5.63478.4521 cm2 S=S1+n S2=23.3827+6 8.4521=74.0951 cm2



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Showing 1 comment:
#
Math student
Hexagonal pyramid

Side of hexagon = 7 cm
Height = 12 cm
Side of the triangle = 9 cm

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