Question

In the adjacent figure if CF||DE||AB and EF||BC then what's the measure of angle CFE​

Answer 1

Answer:

as per the diagram,lines CD||EF and CE is transversal

we know that sum of interior angles is 180°

angle ECD+angle CEF =180°

angle ECD+130°=180°

angle ECD =180°-130°

angle ECD= 50°

as per the diagram lines parallel to AB||CD and CA is transversal

we know that alternate angles are equal

angleBAC=angle ACD

angle BAC=angle ACE+angle ECD

70°=angle ACE+50°

20°=angle ACE

therefore angle ACE=20°

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Answer 2

Answer:

Step-by-step explanation:

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