Question on Geometry homework

Question

In triangle EFG, measurement of angle F = 3(measurement angle G), and measurement of angle E = measurement of angle F - 30 degrees. Find the measure of each angle.

Answer 1

F = 3G

E = F - 30 = 3G - 30^o

 

F + E + G = 180^o

 

(3G) + (3G-30) + G = 180^o

 

7G = 210

 

G = 30^o

F = 3G = 90^o

E = F-30 = 60^o