Question

in triangle DEF the degree measure of angle D is 40 degres less than the degree measure of angle E and 50 degres less than that of angle F what is the measure of

Answer 1

Answer:

30,70,80

Step-by-step explanation:

D=E-40=F-50. D+E+F=180°. D+D+40+D+50=180

D=30 E=70 F=80