SOLUTION: in parallelogram ABCD, angle A = 3x and angle B 4x 40. what is the measures of angles A,B,C, and D.

Algebra ->  Algebra  -> Parallelograms -> SOLUTION: in parallelogram ABCD, angle A = 3x and angle B 4x 40. what is the measures of angles A,B,C, and D.      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 372631: in parallelogram ABCD, angle A = 3x and angle B 4x 40. what is the measures of angles A,B,C, and D.
Answer by Fombitz(13828) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB%2BC%2BD=360
.
.
A=C
B=D
.
.
2A%2B2B=360
A%2BB=180
.
.
I'm assuming B=4x%2B40??
.
.
3x%2B4x%2B40=180
7x=140
highlight%28x=20%29
.
.
A=C=60degrees
B=D=4%2820%29%2B40=120degrees