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In the figure above, if what is the value of r ?
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06 Jun 2016, 17:55
06 Jun 2016, 17:55
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91% (01:06) correct
8% (01:54) wrong based on 162 sessions
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In the figure above, if \(\frac{r}{(r+s)}=\frac{5}{8}\) what is the value of r ?
Show: :: Answer
112.5
Practice Questions
Question: 13
Page: 104
Question: 13
Page: 104
Re: In the figure above, if what is the value of r ?
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06 Jun 2016, 18:03
06 Jun 2016, 18:03
2
Expert Reply
Explanation
From the figure, note that r° + s° must equal 180°. Therefore \(\frac{r}{(r+s)}=\frac{r}{180}\). Since you are also given in the question that \(\frac{r}{(r+s)}=\frac{5}{8}\), you can conclude that \(\frac{r}{180}=\frac{5}{8}\). Thus \(r = \frac{5*180}{8} = 112.5\), and the correct answer is 112.5.
From the figure, note that r° + s° must equal 180°. Therefore \(\frac{r}{(r+s)}=\frac{r}{180}\). Since you are also given in the question that \(\frac{r}{(r+s)}=\frac{5}{8}\), you can conclude that \(\frac{r}{180}=\frac{5}{8}\). Thus \(r = \frac{5*180}{8} = 112.5\), and the correct answer is 112.5.
Re: In the figure above, if what is the value of r ?
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20 Jan 2019, 19:19
20 Jan 2019, 19:19
2
\(\frac{r}{(r+s)}=\frac{5}{8}\)
\(\frac{r}{(180)}=\frac{5}{8}\)
\(r=\frac{5*180}{8}\)
r=112.5
\(\frac{r}{(180)}=\frac{5}{8}\)
\(r=\frac{5*180}{8}\)
r=112.5
