Online Course Discussion Forum

Not sure how to do 5.17 and 5.24a

 
 
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Not sure how to do 5.17 and 5.24a
by Derek Wong - Sunday, October 14, 2018, 3:35 PM
 
Can I get a hint on 5.17 and 5.24a? I'm not entirely sure how to start the process.
 
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Re: Not sure how to do 5.17 and 5.24a
by Derek Wong - Sunday, October 14, 2018, 5:49 PM
 

For clarification, it's MC II-A

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Re: Not sure how to do 5.17 and 5.24a
by David Reynoso - Monday, October 15, 2018, 11:19 AM
 

On 17, use the angle bisector Theorem to find the lengths of $AE$ and $EC$. Then use similar triangles to find an altitude of $\triangle CBE$.

On 24a, try to use angle bisectors.