Is a triangle with angle measures 40,30,and 120 possible?

No, it is nit possible to have any kind of triangle with these measurements.

It's impossible to have this be the case in any triangle, as the angles can be added to make 190. For it to be a triangle, it needs to be 180.

Your answer would be ahere is how: perimeter is how long all the sides are. in a rectangle, there are two sets of parallel sides. so, to find this, we would to the following.(15x2)+(4x2)30+838if you have questions ask! and mark me brainliest! i really wanna level up : 3

Cis your correct answer