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II L persegi p=10×3=30
III L segitiga= ½×3×3=½×9=4,5
Luas keseluruhan : 100+30+4,5=134,5m²
2. I L persegi=7×7 =49
II Lpersegi p=30×7 =210
Luas keseluruhan : 49 + 210 = 259cm²
3. I L persegi= 8×8=64
II L trapesium=½×(8+14)×4=44
Luas keseluruhan : 64+44=108cm²
4. I L jajargenjang=15×8=120
II L persegi p =6×9=54
Luas keseluruhan : 120+54=174cm²
5. I&II 2×(5+10)×5÷2=
6.L belah ketupat =2×(6×3)÷2
=3×9
=18cm²