Online Course Discussion Forum

MC2A Help 2

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

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

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Re: MC2A Help 2
by David Reynoso - Tuesday, November 6, 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:

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

OK, thanks.