Question

Please someone help to do this one

Answer 1

Answer:

Step-by-step explanation:

Q12 (i) applying external angle property(sum of opposite interior angle is equal to external angle)

30+x=110

x=110-30

x=80

(ii)applying external angle property

60+y=120

y=60

Answer 2

Answer:

i) 30+x=110  ( opposite angles is equal to the exterior angle)

x=110-30

x=80

ii) 60+y=120

y=120-60

y=60

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Step-by-step explanation: