Question

I need help, please
Can anyone help me with this problem.

Answer 1

25.12units

Explanation:

area =1/2multiplied by 3.14 multiplied by the 2 radius

1st. 1/2 multiplied by 3.14multiplied by 4multiplied by 4=25.12

Answer 2

I'm not a math whiz, but if I am not mistaken I believe you find the surface area of a full circle, take that answer and divide it by two since it is a half circle. Don't forget to show your work and pi is 3.14.

Hope I helped,

Adrian Velez

Explanation: