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Question

asked 2021-08-14

Two circles, whose radii are 12 inches and 16 inches respectively, intersect. The angle between the tangents at either of the points of intersection is \(\displaystyle{20}^{{\circ}},\ {30}'\). Find the distance between the centers of the circle.

asked 2021-08-14

Prove theorem: To two circles tangent externally at a point A, a common external tangent BC is drawn(where B and C are the tangency points). Prove that the angle BAC is right.

asked 2021-08-11

For the two circles in Figures (a), (b), and (c), find the total number of common tangents (internal and external). (a) (b) (c)

asked 2021-08-11

Use a difference table to predict the maximum number of points in whuch ix different size circles can intersect