in a quadrilateral ABCD angle A + angle d is equal to 180 degree. does this mean a b parallel DC? why? what special name does this quadrilateral have?
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Answered by
65
Yes AB is parallel to CD
Due to interior angle it can be trapezium
Due to interior angle it can be trapezium
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Plz..explain...it
Answered by
17
AB||DC due to interior angles
and this is a trapezium
and this is a trapezium
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