Jawab:
Penjelasan dengan langkah-langkah:
a. L1=1/4x22/7x28²
=616cm²
L2=1/2x22/7x14²
=308cm²
L=616-308
2. L1=21²=441cm²
L2=1/4x22/7x21²
=346,5cm²
L=2(441cm²-346,5cm²)
=2x94,5cm²
=189cm²
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Jawab:
Penjelasan dengan langkah-langkah:
a. L1=1/4x22/7x28²
=616cm²
L2=1/2x22/7x14²
=308cm²
L=616-308
=308cm²
2. L1=21²=441cm²
L2=1/4x22/7x21²
=346,5cm²
L=2(441cm²-346,5cm²)
=2x94,5cm²
=189cm²