Calculate 8252

Calculate in cm2 the area of a circle whose diameter is equal to the length of the diagonal of a square ABCD with a side of 4cm.

Correct answer:

S =  25.1327 cm2

Step-by-step explanation:

a=4 cm u=2 a=2 4=4 2 cm5.6569 cm  D=u=5.6569=4 2 cm5.6569 cm r=u/2=5.6569/2=2 2 cm2.8284 cm  S=π r2=3.1416 2.82842=25.1327 cm2

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

Tips for related online calculators
See also our 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: