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=48×36÷2
=864 cm²
2.(42+18)×24÷2
=60×24÷2
=1440÷2
=720cm²
5.luas bangun 1=18×12
=216cm²
luas bangun 2=10×12÷2
=60cm²
luas gabungan =216cm²+60cm²
=176cm²
6.luas bangun1= 40×15=600cm²
luas bangun2=20×7=140cm²
luas gabungan=600cm²+140cm²=740cm²
7.luas lingkaran = π×r×r
8.volume tabung=luas alas × tinggi tabung
=π×r×r×?
=22/7×7×7
= 154
=770÷154=5<<tinggi tabung
maaf kalo salah yaa <(❛∀❛)/