2 years ago

(24 points) Need some help please !

Mathematics

1 answer:

Tcecarenko [31]2 years ago

7 0

Answer:

39°

Step-by-step explanation:

3x+15+1+10x+60=180

13x+76=180

13x=180-76

13x=104

x=8

A=3x+15

A=3(8)+15

A=24+15

A=39

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