HELP!!WILL GIVE BRAINLIEST

m∠A = 100

m∠C = 50

Step-by-step explanation:

let 'x' = m∠A

let 'x/2' = m∠C

x + x/2 + 30 = 180

3/2x = 150

x = 150(2) / 3

x = 300/3

x = 100

m∠A = 100°

m∠C = 100/2 or 50°

4+3x hope you like mark as brainliest✔