aniacopenowell7
19.01.2020 •
Mathematics
Kim’s pet whiskers, has gone missing. kim decides to post “lost cat” flyers within a 3 mile radius of her house. what is the area of the region that kim is searching?
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Ответ:
A = π9mi² or A = 28.3mi²
Step-by-step explanation:
Kim posting within a 3-mile RADIUS, means she will post within a circle with her house at the centre.
The formula for area of a circle is A = πr²
Substitute the radius and solve.
A = πr²
A = π(3mi)² Square the miles and square the 3
A = π9mi² Exact answer
A = 28.27mi² Exact answer in decimals
A ≈ 28.3mi² Answer rounded to one decimal place
Therefore Kim is searching in a 28.3mi² region.
Ответ:
After plugging in all the values you get:
This simplifies to