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Section 85(done).notebook
1
March 06, 2015
Section 85(done).notebook
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March 06, 2015
Section 85(done).notebook
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Section 85(done).notebook
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m∠B = 20°, m∠C = 31° and b = 210. Find a.
Example 1:Round lengths to the nearest tenth and angle measures to the nearest degree.
A.
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a = 16, b = 10, and m∠C = 110°. Find c.
B.
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C. a = 20, b = 15, and c = 8.3. Find m∠A.
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Example 2:
An observer in tower A sees a fire 1554 ft away at an angle of depression of 28°. To the nearest foot, how far is the fire from an observer in tower B? To the nearest degree, what is the angle of depression to the fire from tower B?
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Homework:P. 556 #38‑48 even,
50‑57, 62‑64
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