Tolong bantu jawab yaaa

By Admin ReiPosted on December 7, 2022

Tolong bantu jawab yaaa

Jawab:

b. $486pi$

Penjelasan dengan langkah-langkah:

Luas = $2 . pi . r (r+t)$

= $2 . pi . 9 ( 9 + 18)$

= $2 . pi . 9 . 27$

= $486pi$