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Learn how to find angle and arc measures in circles with examples and guided practice. Discover methods for determining red angles or arcs. Practice and master circle geometry concepts with step-by-step solutions.
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= a. m1 12 (130o) (125o) 2 = b. m KJL EXAMPLE 1 Find angle and arc measures Line mis tangent to the circle. Find the measure of the red angle or arc. SOLUTION = 65o = 250o
= m1 12 (210o) for Example 1 GUIDED PRACTICE Find the indicated measure. SOLUTION = 105o
m TSR (98o) 2 = for Example 1 GUIDED PRACTICE Find the indicated measure. SOLUTION = 196o
m XY (80o) 2 = for Example 1 GUIDED PRACTICE Find the indicated measure. SOLUTION = 160o