keliling lingkaran jari jari 21 m jari jari 5 cm diameter 70 cm
Matematika
meilasabrina
Pertanyaan
keliling lingkaran
jari jari 21 m
jari jari 5 cm
diameter 70 cm
jari jari 21 m
jari jari 5 cm
diameter 70 cm
1 Jawaban
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1. Jawaban ullyalfi
jari2 21 cm =
kll = 2x22/7x21= 132 cm
jari2 5 cm
kll= 2x3,14x5= 31,4 cm
diameter 70 cm
kll = 22/7x70 = 220 cm