Could some one please help me on the steps in order to solve this problem?
Follow Math Help Forum on Facebook and Google+
Originally Posted by robasc Could some one please help me on the steps in order to solve this problem? $\displaystyle \tan \theta = \frac{{\frac{1} {2}\left( {d - y} \right)}} {{x}}$ $\displaystyle {\text{Use, }}\tan 3^\circ = \frac{{\frac{1} {2}\left( {d - 3} \right)}} {{18}}{\text{ to figure out }}d$
Well I came up with an answer of approximately 1.003cm
Originally Posted by robasc Well I came up with an answer of approximately 1.003cm No, the answer is 4.88668 cm $\displaystyle \approx 4.9$ cm, see here, $\displaystyle 18\times \tan 3^\circ = {\frac{1} {2}\left( {d - 3} \right)}$ $\displaystyle 2\times 18\times \tan 3^\circ =d-3 $ d = 1.88668 +3 d = 4.88668 cm
View Tag Cloud