Question

in the given figure, AECD is a parallelogram and angle DAB + ANGLE DCB = 180° . THE MEASURE OF ANGLE AEC IS equal to​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

angle DAB+angle DCB=180(co interior angles)

let these as x

then 2x=180

x=90

now,

angleDAB+angleCDA =180 (co interior angles)

angle DAB =90

so angle CDA =90

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