adedejiabiloye adedejiabiloye

26-01-2021
Mathematics

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The area of a circle is 16.71cm2.
Find the length of the radius rounded to 2 DP.

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taurusqueen824 taurusqueen824

26-01-2021

Answer:

Radius = 2.31 cm

Step-by-step explanation:

Area of circle = 16.71 square centimeters

[tex]\pi r^2 = 16.71 \\3.14r^2=16.71\\r^2=\frac{16.71}{3.14}\\r^2=5.32\\\sqrt{r^2}=\sqrt{5.32}\\r=2.306[/tex]

Radius of circle = 2.31 centimeter

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