You have a triangle that measures 180 degrees. AB is 4 units. the measure of BC is 5 units. The measure of CD is 12 units. What is the measure of DE and how did you get that answer?

Answer 1

Your question is not clear to me.
The statement "You have a triangle that measures 180 degrees. " makes no sense, every triangle has an angle sum of 180°.

Where are A,B,C,D, andE ?

Answer 2

what is the perimeter of a triangle whose sides measure 15cm, 17cm, and 10cm?

Answer 3

I need help with definding classify

Answer 4

180