Circumference 47983

What is the area of an equilateral triangle with a circumference of 63 cm?

Correct answer:

S =  190.9586 cm2

Step-by-step explanation:

o=63 cm o=3a a=o/3=63/3=21 cm  S=43 a2=43 212=190.9586 cm2

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Tips for related online calculators
The Pythagorean theorem is the base for the right triangle calculator.
Calculation of an equilateral triangle.
See also our trigonometric triangle calculator.

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