L = 2.464 cm²
⇒ πr² = 2464
⇒ (22/7)(r²) = 2464
⇒ r² = (7/22) · 2464
⇒ r² = 784
⇒ r = 28 cm
Sehingga
K = 2πr
⇒ K = (2)(22/7)(28)
⇒ K = 176 cm
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L = 2.464 cm²
⇒ πr² = 2464
⇒ (22/7)(r²) = 2464
⇒ r² = (7/22) · 2464
⇒ r² = 784
⇒ r = 28 cm
Sehingga
K = 2πr
⇒ K = (2)(22/7)(28)
⇒ K = 176 cm
Terimakasih semoga membantu
Semoga membantu