contestada

Angle A and B are supplementary. If m (is less than sign) A = 3y + 12 and m (is less than sign) B = 2y +48, find the value of y.

Respuesta :

Answer: y=24

Step-by-step explanation:

Supplementary angles add up to 180 degrees.

A+B=180

3y + 12 + 2y +48=180

3y+2y+12+48=180

5y+60=180

5y=120

y=24

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