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Do Now (4/14):
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Pg. 299 #13
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Review: Exterior Angle of Triangle
xa
b
c
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Pg. 300 #5: Angles Formed by Chords (interior)
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Theorem: Angles formed in the interior of a circle are 1/2 the sum of the intercepted arcs.
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Exit Ticket (4/14):
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Do Now (4/15): Solve for x
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Pg. 305: Draw segment RT
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a + b + c + d = 360
+ + = 180
1/2a + 1/2b + 1/2c + 1/2d =
R = T =
1/2b + 1/2c1/2b + 1/2d
∠A ∠R ∠T
180
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Theorem: An exterior angle in a circle is equal to 1/2 of the difference of the two intercepted arcs.
1/2(a b) = x
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Solve for angle A if arc PQ is 150.
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Exit Ticket (4/15):
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Do Now (4/16): Choose the correct formula and solve for x
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Circles Word Problem: Day and Night
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Stations: Circles Word Problems
Station 1: Draw/label diagram
Station 2: Add information/Set up equation
Station 3: Solve (and check work!)Exit Ticket!
**If finished early, write your own circle word problem on the back of the sheet for extra credit!
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