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Kayteeortiz4593
13.02.2021 •
Mathematics
The area of Circle P is 16π. The area of Circle Q is 25π. The radius of Circle P is decreased by 50%. What is the new circumference of Circle P? (Use 3.14 for π)
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Ответ:
12.56cm
Step-by-step explanation:
Step 1.
Find Radius of Circle P
Radius =![\sqrt{\frac{a}{\pi} }](/tpl/images/1117/3471/49302.png)
=![\sqrt{\frac{50.24}{3.14} }](/tpl/images/1117/3471/04931.png)
=4
Step 2.
Decrease by Radius by 50%
4×![\frac{1}{2}](/tpl/images/1117/3471/9cdae.png)
=2
Step 3.
Find the new circumference using the new radius
C=πr²
=π×2²
=12.56
∴ The new circumference of Circle P is 12.56cm
Ответ:
0,8022
Step-by-step explanation:
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