Angles a and b are supplementary angles. What is the value of m∠a if m∠b=43° ?(1 point)
Responses
43°
43 degrees
47°
47 degrees
223°
223 degrees
137°
1 answer
137 degrees
Responses
43°
43 degrees
47°
47 degrees
223°
223 degrees
137°
1 answer