Find A if B = 20° and α + β = 120°. Remember: The sum of the three angles in any triangle is always 180°.
A)A = 60°
B)A = 50 °
C)A = 70 °
D)A = 100 °
E)A = 40 °

Question

Find A  if B = 20° and  α +  β = 120°.  Remember: The sum of the three angles in any triangle is always 180°.
A)A = 60° 
B)A = 50 ° 
C)A = 70 ° 
D)A = 100 ° 
E)A = 40 °

Quizplus · Accepted Answer

The Answer of Find A  if B = 20° and  α +  β = 120°.  Remember: The sum of the three angles in any triangle is always 180°.
A)A = 60° 
B)A = 50 ° 
C)A = 70 ° 
D)A = 100 ° 
E)A = 40 °

Find a If B = 20° and α + β = 120°