Oblicz pola zacieniowanych figur DAJIE NAJJJJ❤️❤️

a) P=(3m·4m)+(12m·5m)=12m²+60m²=72m² b) P=(3cm·4cm)+[(7cm-3cm)·6cm]=12cm²+(4cm·6cm)=12cm²+24cm²=36cm² c) P=(7m·7m)-2·(2m·2m)=49m²-2·4m²=49m²-8m²=41m²

a) P= 12×5 + 4×3 = 72 m² b) P= 7×4 + 2×4 = 36 cm² c) P= 7×7 - 2×(2×2) = 41 m²