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ET 4.8. B . a 2 + b 2 = c 2. Name as many equations as you know that can be used on right triangles. a . c . C . b . A . s in A = a/c . c os A = b/c . tan A = a/b . How many ways can you find B. GO!. Ex 1: Solve the right triangle. c . a . SOH CAH TOA. B . c .
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ET 4.8 B a2 + b2 = c2 Name as many equations as you know that can be used on right triangles. a c C b A sin A = a/c cos A = b/c tan A = a/b
How many ways can you find B. GO! Ex 1: Solve the right triangle. c a SOH CAH TOA B c a 34.2˚ A C b 19.4
EX 2: A saftety regulation states that the maximum angle of elevation for a rescue ladder is 72 degrees. A fire departments longest ladder is 110 ft. What’s the maximum safe rescue height? + t 110 ft 72˚ t
EX 3: At a point 200 ft from the base of a building, the angle of elevation to the bottom of a smokestack is 35 degrees, whereas the angle of elevation to the top is 53 degrees. Find the height , s, of the smokestack. s a 53˚ 35˚ 200 ft
Assignment 4.8 #1-14, 16, 19, 27, 33 Fudge #40, 50