Seudónimo
Seudónimo
14-01-2019
Mathematics
contestada
I need help on questions 6 and 7 please
Respuesta :
nancyrai227
nancyrai227
14-01-2019
We know that the area of a circle is A=pi(radius-^2)
And the circumference formula is C=2(pi)(r)
6) what I did was plug in those diameters in the formula. So
C=2(3.14)(7.5)=41.1
B IS YOUR ANSWER (15)
7)20^2(3.14)=1256
B IS YOUR ANSWER (20)
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