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BigorU [14]
3 years ago
15

Find the diameter of a circle that has an area of 254.34mm2

Mathematics
1 answer:
zvonat [6]3 years ago
5 0
To find the diameter, divide the area(254.34) by pi(3.1415) and then square the quotient

\frac{254.34}{3.1415} =  80.95
\sqrt{80.95} = 8.99
That is the radius now just times that by 2 so 2 x 8.99 = 17.98

Now I have a felling the might be wanting 18 because 8.99 is so close to 9 and this is also true for 80.95. They probably want 80.95 = 81, which the square root of that is 9, which is the radius and if you times that by 2 the diameter would equal 18
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