Respuesta :

musiclover10045

The area of a circle is PI x r^2

Area = PI x 3^2

Area = 9PI

A semicircle is 1/2 a full circle

Area of the semicircle can be written as 9/2PI or 4.5PI cm^2

evalinet2

Step-by-step explanation:

area=22/7*25

are =(22/7*25

area=(3.14*25

area 39.25

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