Question

how do you find the measures of a triangle with only one measure given?

Answer 1

if you only have just one of the 6 different measures, you cannot find all of the other ones

Answer 2

what if i have a triangle with one angle that is 20 degrees and there is one exterior degree 58 degree

Answer 3

do you know what all the angles in a triangle add up to?

Answer 4

well each triangle adds up to 180 degrees

Answer 5

do you know what all the angles on a line add up to? (see drawing)

Answer 6

180?

Answer 7

yes
going back to the original drawing, that 58 is on the same line as the one angle of each of the 2 triangles. how could you find the angles?