Question

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Answer 1

Answer:

a=20° , b=40° and c=30°

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

4c = 6a = 3b = 120⁰

a = 120/6 = 20⁰

3b = 120⁰

b = 120/3 = 40⁰

4c = 120⁰ (corresponding angles)

c = 120/4 = 30⁰