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svet-max [94.6K]
3 years ago
7

1. Line segment AC touches the circle at a single point B. Line segment OB extends through the center of the circle.

Physics
1 answer:
adelina 88 [10]3 years ago
8 0
AC is a tangent to the circle

A tangent is perpendicular to the diameter of the circle, so B is 90 degrees

Radius is half the diameter, so 3.5*2 = 7m

Area = (pi)(r^2), so (pi)*3.5^2 = 38.48m^2


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