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Zepler [3.9K]
3 years ago
13

Someone please help me

Mathematics
2 answers:
nadya68 [22]3 years ago
6 0
The formula is \pi rs+  \pi r^{2}, where s is slant height.

so,
= 3.14X4X7+3.14X4^{2}
= 87.92+50.24
= 138.16cm^{2}
babymother [125]3 years ago
5 0
There is a rounding error... So 138.16 cm^2 is the answer

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