sama caranya ya kak
Matematika
sista15
Pertanyaan
sama caranya ya kak
1 Jawaban
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1. Jawaban Anonyme
L1=1/2×phi×r×r
=1/2×22/7×14×14
=308cm2
L2=1/2×phi×r×r
=1/2×22/7×7×7
=77cm2
L total=308+77=385cm2