k=πd
=22/7 . 56
=176 cm
K lingkaran
= 2.π.r
= 2 x 22/7 x 28
= 2 x 88
= 176 cm²
semoga membantu jangan lupa untuk follow ya
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k=πd
=22/7 . 56
=176 cm
K lingkaran
= 2.π.r
= 2 x 22/7 x 28
= 2 x 88
= 176 cm²
semoga membantu jangan lupa untuk follow ya