no 22 sama caranya makasih
Matematika
brigita18
Pertanyaan
no 22 sama caranya makasih
1 Jawaban
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1. Jawaban happyface
Luas 1/2 O - luas 1/2 o
Luas 1/2 O = 1/2 phi (6,5+3,5) ^2
= 1/2 phi (10)^2
= 50 phi cm^2
luas 1/2 o = 1/2 phi (3,5)^2
= 1/2 phi 12,25
= 6,125 phi cm^2
luas kain = 50 phi - 6,125 phi = 43,875 phi cm^2