Triangular pyramid

Calculate a regular triangular pyramid's volume and surface area with a height equal to the base edge 10 cm long.

Correct answer:

V =  144.3376 cm3
S =  193.3638 cm2

Step-by-step explanation:

a=10 cm h=a=10 cm  S1=43 a2=43 102=25 3 cm243.3013 cm2 V=31 S1 h=31 43.3013 10=144.3376 cm3
r=630.2887 cm h=h2+r2=10.00422+0.2887210.0042 cm S2=21 a h=21 10 10.004250.0208 cm2  S=S1+3 S2=43.3013+3 50.0208=193.3638 cm2

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

Showing 1 comment:
Math student

Tips for related online calculators
Do you want to convert length units?
Tip: Our volume units converter will help you convert volume units.
See also our right triangle calculator.
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:

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

Related math problems and questions: