Question: pls step by step ABCD is a parallelogram. CDE is an isosceles triangle. ADEF is a straight line. Angle BAD = 640. Work out the

pls step by step

ABCD is a parallelogram. CDE is an isosceles triangle. ADEF is a straight line. Angle BAD = 640. Work out the size of angle CEF. Give reasons for your working. O 64 LL

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