The angles

The angles in the triangle are in the ratio 12:15:9. Find the angles.

Correct answer:

A =  60 °
B =  75 °
C =  45 °

Step-by-step explanation:

A+B+C = 180°  d=12+15+9180=5   A=d 12=5 12=60
B=15 d=15 5=75
C=9 d=9 5=45

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