3)
Aq= 4²= 16cm²
Ac= 2²π= 4πcm²
Ae= 16-4π
Ae= 4(4-π)cm²
4)
Ar= 12•8= 96cm²
Ac= 4²π= 16πcm²
Ae= 96-16π
Ae= 16(6-π)cm²
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A=12x8=96
3)lado x lado
2x2=4 cm
3)
Aq= 4²= 16cm²
Ac= 2²π= 4πcm²
Ae= 16-4π
Ae= 4(4-π)cm²
4)
Ar= 12•8= 96cm²
Ac= 4²π= 16πcm²
Ae= 96-16π
Ae= 16(6-π)cm²