Dawson14
Dawson14
09-02-2017
Mathematics
contestada
Choices are 43.8 58.8 90.6 154.2
Respuesta :
apologiabiology
apologiabiology
09-02-2017
easy
rectangle and half circle
rectangle=9 times 3=27
circle
diamter is 9 so radius i s9/2=4.5
area=pir^2 or pi*4.5^2=20.25pi
halve that since it is 1/2 circle
10.125pi
add
27+10.125pi=
27+31.7925=
58.7925
rounded to 58.8
2nd option
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