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- Diameter = 10 cm, jari - jari = 5cm
-
- Garis pelukis (s) = 13cm
DItanya :
Luas permukaan kerucut
Penyelesaian :
- Rumus cepat mencari luas permukaan =
= 3,14 x 5cm x (13cm+5cm)
= 3,14 x 5cm x 18cm = 282,6 cm²
Semangat dan tingkatkan lagi belajarnya