Question

I need some help on 1-3

Answer 1

1.) 6x6x3.14

2.) 28x28x3.14

3.) 11÷2=5.5x5.5x3.14

Answer 2

1. 6 squared times 3.14 is rounded to 113

2. 175.9 this is by 2 times 3.14 times 28

3. 11 times 2 times 3.14 which is rounded to 69