Brinyco Brinyco

09-01-2016
Mathematics

Answered

Quadrilateral ABCD is a parallelogram in which angle B = 100 degrees angle A + angle B =

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Luckyshamrock Luckyshamrock

09-01-2016

180° because the two angles at each end of a line (the internal opposite angles of 2 parallel lines) equal to 180°

e.g.
Hope thats clear enough!

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