360 degrees

180 degrees

90 degrees

540 degrees

 $75\degree$  

 $90\degree$  

 $60\degree$  

 $70\degree$  

have three angles that are the same measure

have three side lengths that are the same measure

have only acute angles

have three angles that are each 60 degrees

have three different side lengths

have two side lengths that are congruent

have two angles that are congruent

always have a 90 degree angle

obtuse

different

acute

equal