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The area of a circle is 78.5 cm^2. What is the diameter of the circle? -5 cm -10 cm -12.5 cm -39.25 cm

The area of a circle is 78.5 cm^2. What is the diameter of the circle? -5 cm -10 cm -12.5 cm -39.25 cm
asked 119k views
5 votes
The area of a circle is 78.5 cm^2. What is the diameter of the circle?

-5 cm
-10 cm
-12.5 cm
-39.25 cm

asked
User Tobin
by
7.9k points

2 Answers

2 votes

Answer5:

Explanation:

answered
User Commandantp
by
7.7k points
7 votes

Answer:

10cm

Explanation:

78,5=pi.r^2

answered
User Keybee
by
8.7k points
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