Exterior Angle Theorem

$70\degree$

$170\degree$

$10\degree$

$40\degree$

$5\degree$

$165\degree$

$65\degree$

$60\degree$

$50\degree$

$120\degree$

$30\degree$

$20\degree$

$105\degree$

$75\degree$

$55\degree$

$115\degree$

$95\degree$

$185\degree$

$55\degree$

$100\degree$

$180\degree$

$190\degree$

$30\degree$

$20\degree$

$94\degree$

$30\degree$

$40\degree$

$86\degree$

$60\degree$

$130\degree$

$50\degree$

$110\degree$

 $\angle a\ and\ \angle b$  

 $\angle a\ and\ \angle c$  

 $\angle b\ and\ \angle d$  

 $\angle a,\ \angle b,\ and\ \angle c$  

I GOT THIS!!!

I understand, not quite an expert though.

I am still a little confused and I need more practice.

I DO NOT GET THIS!!!