Line segment BD is a diameter of circle E.

Given: Circle O with diameter LN and inscribed angle LMNProve: is a right angle.


Given: Circle M with inscribed and congruent radii JM and MLProve: m =

Line EF is tangent to circle G at point A.

Angle BAC measures 56°.

Line segment GJ is a diameter of circle L. Angle K measures (4x + 6)°.

Line segment TS is tangent to circle O at point N.

In circle V, angle WXZ measures 30°. Line segments WV, XV, ZV, and YV are radii of circle V.

Line segment XY is tangent to circle Z at point U.

Angle ABD measures (4x + 10)o. Angle ACD measures (5x − 2)o.

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