alylaurent
alylaurent
12-09-2017
Mathematics
contestada
I need to know how to do question 24 part b
Respuesta :
AJGreen
AJGreen
12-09-2017
Area of a circle : π * r²
4+1 = 5
π * 5² = 78.53
π * 4² = 50.27
78.53 - 50.27 = 28.26
The area of the border is 28.26 ft²
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