Asked by Maya^.^
A rock climber looks at the top of a vertical rock wall at an angle of elevation of 74 degrees. He is standing 4.2m from the base of the wall and his eyes are 1.5m from the ground. How high is the wall, to the nearest tenth of a meter?
o_o I'm clueless
o_o I'm clueless
Answers
Answered by
Steve
clueless? check the topic of this section of your text.
Review the definition of tan(x).
Draw a diagram.
Then it is clear that the height is given by
1.5 + 4.2 tan 74°
Review the definition of tan(x).
Draw a diagram.
Then it is clear that the height is given by
1.5 + 4.2 tan 74°
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