The radius of one circle is 10 dm, which is 4 dm more than the radius of the other. Find the diameter of the second circle.
| April 11, 2021 | education
To solve this problem, remember that the diameter is a segment connecting two points on a circle and passing through the center of the circle, as well as the length of this segment. The diameter is equal to two radii. Let’s calculate what the radius of the second circle is, knowing that it is 4 dm less than 10 dm.
10 – 4 = 6 decimeters.
Let’s calculate what the diameter of the second circle is.
d = 2 * r = 2 * 6 = 12 decimeters.
Answer: 12 decimeters.
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