Bantuin jawab yaa makasih
Matematika
Helena272006
Pertanyaan
Bantuin jawab yaa makasih
1 Jawaban
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1. Jawaban Ruth2704
r = 14 : 2 = 7
L1 = 22/7×7×7
= 154 : 2 = 77
L2= a×t/2
= 14×20/2
= 140
L1 + L2 = 77 + 140 = 217