juniorthefinessekid
juniorthefinessekid
12-05-2017
Mathematics
contestada
Someone please help me
Respuesta :
helpmewithmaaath
helpmewithmaaath
12-05-2017
The formula is [tex] \pi rs+ \pi r^{2} [/tex], where s is slant height.
so,
= 3.14X4X7+3.14X[tex] 4^{2} [/tex]
= 87.92+50.24
= 138.16[tex] cm^{2} [/tex]
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ircuthbert
ircuthbert
12-05-2017
There is a rounding error... So 138.16 cm^2 is the answer
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