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The equation of a circle is x2 +y2 =81 what is the diameter of the circle

The equation of a circle is x2 +y2 =81 what is the diameter of the circle
asked 8.3k views
25 votes
The equation of a circle is x2 +y2 =81 what is the diameter of the circle

asked
User Jean Noel
by
8.3k points

1 Answer

1 vote

Answer:

pretty sure it's 9.

Explanation:

square root of 81 is 9. 3 is its radius.

answered
User Alex Wright
by
7.5k points
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