Kerjakan Carilah keliling lingkara dengan Jari-jari a. 7 cm" b. 5cm C.10,5
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Penjelasan:
A.r= 7 cm
=2×π×r
=2×22/7 × 7
= 44 cm
B.r= 5 cm
=2×π×r
=2×3,14 × 5
= 6,28 × 5
= 31,4 cm
C) r= 10,5 cm
= 2 x π x r
= 2 x 22/7 x 10,5
= 44 x 1,5
= 66 cm
jawaban nya ❤️
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