Question

Mohon bantuan no 35???????

Answer 1

Luper 1 = tabung -> tanpa tutup
= pi . r ( r+ 2t)
= 22/7 . 7 ( 7+10.2)
= 22 ( 7+20)
= 22 . 27
= 594

luper 2 = 1/2 bola tanpa alas
= 2 . pi . r .r
= 2 . 22/7  . 7 . 7
= 308

luper seluruhnya = 902 cm² (C)

**maaf kalau salah