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200 topi = 200 × 2772 = 554.400
kalo gk salah seperti itu...
kalo salah mohon maaf... hehehe
s = cm
s = cm
s = cm
s = cm
s = 25 cm
Lp = Ls + .(10,5 cm)² - .(7 cm)²
= π.r.s + 346,5 cm² - 154 cm²
= .7 cm. 25 cm + 192,5 cm
= 550 cm² + 192,5 cm²
= 742,5 cm²
200.Lp = 200. 742,5 cm²
= 148500 cm²