Question

in triangle ABC m 10 years ago

Answer 1

Draw any triangle ABC

Answer 2

Add on the angle labels

Answer 3

Rule: All 3 angles of any triangle add to 180 degrees

so in this case

A+B+C = 180
60+40+x = 180

what is x equal to?

Answer 4

thanks for ur help

Answer 5

are you able to determine what x is?

Answer 6

i think its line AB

Answer 7

yes because x = 80, so angle C is 80 degrees

80 degrees is the largest angle

the longest side is always opposite the largest angle