শূন্যস্থান পূরণ করো
The value of $\pi$ is approximately .
If the area of a circle is $314$ square units, the radius is approximately units.
The radius of a circle is half of its __.
Doubling the radius of a circle increases its area by a factor of .
If the diameter of a circle is $10$ units, the radius is units.
প্রথমে খালি ঘর পছন্দ করুন তারপর উত্তর পছন্দ করুন।
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