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

User Tobin
by
6.0k points

2 Answers

2 votes

Answer5:

Explanation:

User Commandantp
by
6.2k points
7 votes

Answer:

10cm

Explanation:

78,5=pi.r^2

User Keybee
by
6.8k points
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