September 2018 1 9 Report
Tolong di jawab y

hitung lah luas permukaan kerucut jika diketahui ;



a.dik;r 5cm
s 16 cm

b.dik;t 12 cm
s 20 cm

c .dik r;10 cm
t 24 cm

d. dik ;r 14cm
t 48 cm


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