Online Course Discussion Forum

MC2A Help 2

 
 
Picture of David Tang
MC2A Help 2
by David Tang - Monday, 5 November 2018, 9:43 PM
 

Help me, I'm on the last problem and I'm stumped.

 
Picture of David Reynoso
Re: MC2A Help 2
by David Reynoso - Tuesday, 6 November 2018, 11:13 AM
 

By "last problem" do you mean 8.30?

Since you know $AD = 5\sqrt{6}$ and $BC = 5$, you can use Power of a Point to find $DC$. Then you can use similar triangles to find out the lengths of other segments that you'd need to find the area of the trapezoid.

Here is a diagram of the problem that might be helpful:


Picture of David Tang
Re: Re: MC2A Help 2
by David Tang - Tuesday, 6 November 2018, 3:16 PM
 

OK, thanks.