Question

plzz answwr rhis sum

Answer 1

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@hermoinegranger. .....

Answer 2

Answer:-

In trapezium ABED,

angle ADE=angle BED (base angles are equal)

Also,

angle BED= angle EBC + angle BCE (Since exterior angle is equal to sum of opposite two interior angles.)

Or,

angle ADE = angle EBC + angle BCE (HENCE PROVED)