Axial section

The axial section of the cone is an equilateral triangle with an area 122 m2. Calculate the volume of the cone.

Correct answer:

V =  84.5 m3

Step-by-step explanation:

S=π2a(2a+a)=43πa2=122 m2 a=3π4S=7.2 m h=a22a2=6.23 m  V=31πr2h=84.5 m3

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

Tips for related online calculators
Tip: Our volume units converter will help you convert volume units.
See also our right triangle calculator.
Calculation of an equilateral triangle.
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: