Hexagonal pyramid

Calculate the surface area of a regular hexagonal pyramid with a base inscribed in a circle with a radius of 8 cm and a height of 20 cm.

Correct answer:

S =  674.2611 cm2

Step-by-step explanation:

r=8 cm a=r=8 cm h=20 cm S1=3 3/2 a2=3 3/2 82=96 3 cm2166.2769 cm2  a2=3/2 a=3/2 8=4 3 cm6.9282 cm h2=a22+h2=6.92822+202=8 7 cm21.166 cm  S2=a h2/2=8 21.166/2=32 7 cm284.664 cm2  S=S1+6 S2=166.2769+6 84.664=674.2611 cm2

Did you find an error or inaccuracy? Feel free to write us. Thank you!


Tips to related online calculators
Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: