kak tolong jawab no 30 ya. plisss nanti jwban kak qw kasih yg terbaik jawab beserta caranya

______ Jawaban ______

Luas permukaan tabung
= phi × d × (r + t)
= 22/7 × 14 cm × (7 cm + 20 cm)
= 44 cm × 27 cm
= 1188 cm^2
Opsi C
[tex] [/tex]
____ Selamat Belajar :) ____

L = 2π r² + 2π r t
=2 x 22/7 x7x7 + 2x 22/7 x7 x20
= 308 + 880. = 1.188 cm²