Question

Lines AB and CD intersect at O. If ∟1 = 130˚, then find ∟2 , ∟3 and ∟4.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

given

1. angle 1= 130°

2. Lines AB and CD intersect at O

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find

∟2 , ∟3 and ∟4.

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angle 1 = angle 2 [ vertically opposite angles]

so angle 2 = 130°

angle 1 + angle 4= 180° [ adjacent pair]

angle 4= 180° -130°= 50°

angle 4= angle 3 [ vertically opposite angles]

angle 3= 50°

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