Mathematics: What is the diameter of this circle if the circumference is 30 x inches? C-30% in. O 15 in. 30 in. 45 in. 60 in. Save and Exit Next Submit Mark this and retum I need help please !!

What is the diameter of this circle if the circumference

yurimontoya759

31.08.2020

10 inches

Step-by-step explanation:

Given the circumference= 30 in

we know that the formula for circumference is

$C= 2\pi r$

$30= 2*3.142*r\\\\r= \frac{30}{2*3.142} \\\r= \frac{30}{6.248}\\\r= 4.77 in$

The diameter is 2*r= 4.77*2=9.55 in

Approximately the diameter is 10 inches

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micahpauleen748

26.08.2021

The answer is A.

There is 1 solution to the equation

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