The area of central circle would be : pi. d^2 /4
the area of the next region would be : pi ( d^2 - d^2/4) = 3/4 pi d^2
The outermost region would be : pi (9d^2 / 4 - d^2/4) = 5/4 pi d^2
Just multiply all equation with 4, you will get that the ratio will become 1 : 3 : 5
Hope this helps
The pieces of information and their correct section in a career plan are:
- I will earn at least $45,000 per year. - career definition.
- I will need a license to practice. - career requirements.
- Within six years, I will complete an apprenticeship. - intermediate goals.
- I am good at organizing my own time. - current status.
<h3>What are the sections of a career plan?</h3>
The current status refers to what you are able to do now and intermediate goals are those that are to be accomplished within 5 years or 6 at most.
Career definition is what you hope to be doing in your future career and career requirements are the qualifications needed to get the career.
Find out more on career plans at brainly.com/question/24370180.
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Answer: There is no oxygen for astronauts to breathe, so spacecraft must be airtight. There is nothing to hold the sun's heat, so objects in space can experience a wide range of temperature.