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Don't understand please help ;-;

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

Don't understand please help ;-;-example-1
asked
User Trungdinhtrong
by
8.4k points

2 Answers

3 votes

Answer:

72cm^2

Explanation:

12x6

answered
User Dirtyvagabond
by
8.2k 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

answered
User Ilyo
by
8.1k points
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