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

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

Step-by-step explanation:

25.12units

Step-by-step 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

a line is an defined derm because it

a)contains an infinite number of points b) can be used to create other geometric shapes c)describes something that does not have width or depth d) is a term that does not have a formal definition. a line is an undefined term because it: contains an infinite number of points.

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest