Question

please find the answer upto 3rd question ​

Answer 1

Step-by-step explanation:

I) 4x+3x+2x=180

9x =180

x=180/9=20

First angle=4x=80

Second angle=3x=60

Third angle =2x=40

II) 90+2x+3x=180

5x=180-90

x=90/5=18

First angle =2x= 36

Second angle = 3x= 54

III) x+x+30+60=180

2x=180-90

x=90/2=45

First angle=x= 45

Second angle =x+30=75

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