Math heart

Stylized heart shape created from a square with side 5 cm and two semicircles over his sides. Calculate the content area and its circumference.

Correct result:

S =  44.635 cm2
o =  25.708 cm


a=5 cm r=a/2=5/2=52=2 12=2.5 cm  S=a2+π r2=52+3.1416 2.52=44.635 cm2
o=2 a+2π r=25.708 cm

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