Use the relationship between supplementary angles ∠a
∠
�
and ∠b
∠
�
. What is m∠a if m∠b=121° ?(1 point)
Responses
31°
31 degrees
59°
59 degrees
121°
121 degrees
301°
∠
�
and ∠b
∠
�
. What is m∠a if m∠b=121° ?(1 point)
Responses
31°
31 degrees
59°
59 degrees
121°
121 degrees
301°