January 2019 1 36 Report
Sebuah pensil berbentuk gabungan kerucut,tabung,dan setengah bola.
Jika diameter pensil 14mm, tinggi kerucut 24mm, dan panjang seluruh pensil 18,1 cm.
Tentukan :
a. Luas permukaan pensil !
b. Volume pensil !



mohon bantuannya ^^
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