Question

Help me plz asap thanks:)

Answer 1

m∠A=48º

m∠B=50º

m∠C=82º

Explanation:

4x+5x-10+7x-2=180

16x-12=180

16x=192

x=12

4x

4(12)

48

5x-10

5(12)-10

60-10

50

7x-2

7(12)-2

84-2

82