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Rina8888 [55]
4 years ago
5

A circle is centered at the point (7,1) and passes through the point (8,7). what is the radius

Mathematics
1 answer:
Scorpion4ik [409]4 years ago
7 0
Easy

the radius is the distance from the center to a point on the circle

we are given
center=(7,1)
 a point=(8,7)
find the distance
distance formula
D=\sqrt{(x2-x1)^2+(y2-y1)^2}

so the distance between point and center is radius
D=\sqrt{(8-7)^2+(7-1)^2}
D=\sqrt{(1)^2+(6)^2}
D=\sqrt{1+36}
D=√37 units


radius is √37 units
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