Jawaban:

12.) Volume tabung=

= π r² t

= 22/7 × 7² × 20

= 22/7 × 49 × 20

= 3.080 cm³

jawaban = C

13.) Volume gabungan kubus + balok

= V.kubus

= s × s × s

= 10 × 10 × 10

= 1.000 cm³

= V.balok

= p × l × t

= 12 × 10 × 5

= 600 cm³

V.gabungan = V.kubus + V.balok

= 1.000 + 600 cm³

= 1.600 cm³

jawaban = b

16.)

V tabung=

= π r² t

= 22/7 × 7² × 25

= 22/7 × 49 × 25

= 3.850 cm³

jawaban = D

jadikan jawaban terbaik

terimakasih maaf kalau cuma jawab 3

gambarnya kurang jelas