Question 710252
SECOND ANGLE=4 TIMES THE FIRST.
S=4F
THE THIRD ANGLE=F+S-45
F+S+T=180
F+(4F)+(F+[4F]-45)=180
10F-45=180
10F=180+45
10F=225
F=225/10
F=22.5 DEGREES.
S=4*22.5=90 DEGREES.
22.5+90+T=180
T=180-22.5-90
T=67.5 DEGREES.
PROOF:
22.5+90+67.5=180
180=180