Penjelasan dengan langkah-langkah:
r=√(13²-12²)
= √(169-144)
= √25
= 5 cm
Luas Permukaan= πr²+πrs
=3,14×5²+ 3,14×5×13
=78,5 + 204,1
= 282,6 cm²
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Penjelasan dengan langkah-langkah:
r=√(13²-12²)
= √(169-144)
= √25
= 5 cm
Luas Permukaan= πr²+πrs
=3,14×5²+ 3,14×5×13
=78,5 + 204,1
= 282,6 cm²