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Matematika
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Pertanyaan
tolong yaa pake caranya yaa
1 Jawaban
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1. Jawaban niesrinaasmadina
< juring = 180/6
= 30°
d=21 m
r=10,5 m
L arsir = 2 x 30/360 x πr²
=2 x 1/12 x 22/7 x 10,5²
=2/12 x 22/7 x 110,25
=44/84 x 110,25
= 57,75 m²
jawab.D