Patrick starts hiking at an elevation of -418 feet. He ascends to an elevation of 387 feet and than descends to an elevation 94
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<h2>Radius of a Circle Given Center and Point</h2>
To find the radius of a circle when we're given the coordinates of its center and a point it contains, we can use the following formula for distance:
is one point and
is another
We're given:
- Center: (-2,1)
- Point: (2,-1)
Plug these given points into the formula for distance:
Therefore, the radius of the circle is units, or approximately 4.47 units.