Asked by Ashley
From a boat on the lake, the angle of elevation to the top of a cliff is 26°35'. If the base of the cliff is 85 feet from the boat, how high is the cliff (to the nearest foot)?
A. 56 feet
B. 43 feet
C. 53 feet
D. 46 feet
I HAVE BEEN WORKING ON THIS FOREVER! please help me :( i don't know what i am doing wrong and none of my answers are any of these.
A. 56 feet
B. 43 feet
C. 53 feet
D. 46 feet
I HAVE BEEN WORKING ON THIS FOREVER! please help me :( i don't know what i am doing wrong and none of my answers are any of these.
Answers
Answered by
Reiny
Working forever?
takes about 30 seconds
make a sketch, let the height be h
tan 26° 35' = h/85
h = 85 tan 26.58333..° = 42.5339 ft
or according to the choices given, 43 feet
26° 35' = 26 + 35/60 = 26.583333..
takes about 30 seconds
make a sketch, let the height be h
tan 26° 35' = h/85
h = 85 tan 26.58333..° = 42.5339 ft
or according to the choices given, 43 feet
26° 35' = 26 + 35/60 = 26.583333..
Answered by
RK800
Thanks reiny, but you didn’t have to make the poster feel bad
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