Question

Plz solve question no 9 (i)(ii)(iii)

Answer 1

Answer:

I) x+3x=180(by converse theorem of CO interior)

4x=180

x=45

ii)3x=90

x=30

iii)2x+15=x+15(alt.int.a)

2x-x=15-15

x=0

Step-by-step explanation:

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Answer 2

Answer:

i- 3x+x

2x+3

x=3+2=5

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