unknownn111111
unknownn111111
13-12-2021
Mathematics
contestada
pls answer pls plsplspls pls
Respuesta :
Аноним
Аноним
13-12-2021
πr²/2
22×7×7/7×2
77cm²
πr²/2×2
πr²
22/7×3.5×3.5
38.5cm²
77-38.5=
3
8
.
5
c
m
²
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