The formula of the area of a circle is :

You know that the area is 1256.
So :

Divide both sides by

:

<span> take the square root of both sides in order to obtain r :
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In short, the answer would be 20 (i have rounded).
Hope this helps !
Photon
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Answer:
X24
Step-by-step explanation:
Answer:
Step-by-step explanation:
To find the answer convert the amount kilograms you have to grams
2x3=6. So the Greatest Common Factor (GCF) is 6