Respuesta :

sara2310
a= pi * r^2
A= 36 * 3.14
A = 113.04 but after rounding the answer will be 113 cm^2
devishri1977

Answer:

Step-by-step explanation:

diameter  = 12 cm

r = 12/2 = 6 cm

[tex]Area \ of \ semicircle = \dfrac{1}{2}\pi r^{2}\\\\\\=\dfrac{1}{2}* 3.14*6*6\\\\\\= 56.52 \ cm^{2}[/tex]