46.3k views
5 votes
Don't understand please help ;-;

Don't understand please help ;-;-example-1

2 Answers

3 votes

Answer:

72cm^2

Explanation:

12x6

User Dirtyvagabond
by
6.6k points
2 votes

Answer:

283 cm²

Explanation:

r = 3 cm

2 × 3.14 × 3 (3 + 12)

= 2 × 3.14 × 3(15)

= 2 × 3.14 × 45

= 282.6 cm²

= 283 cm²

User Ilyo
by
5.7k points