Respuesta :

itsbriofc

Answer:

Hello! answer: a = 107

Step-by-step explanation:

This is a supplementary angle meaning it will add up to 180 degrees so...

180 - 73 = 107 therefore a = 107 hope that helps!

wegnerkolmp2741o

Answer:

107

Step-by-step explanation:

The two angles form a straight line so they add to 180 degrees

73+a = 180

Subtract 73 from each side

a = 180-73

a = 107

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