smithad6029 smithad6029

06-03-2024
Mathematics

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Two circles with radii r1 and r2, where r1 > r2, touch each other externally. If θ be the angle between the direct common tangents, then:
a) θ = 0°
b) θ = 45°
c) θ = 90°
d) θ = 180°

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