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Question -

ABCD is a parallelogram in which тИаA = 70┬░. Compute тИаB, тИаC and тИаD.



Answer -

It is given that ABCD is a parallelogram with┬а┬а┬а
┬а
We know that the opposite angles of the parallelogram are equal.
Therefore,
Also,┬а┬аand┬а┬аare adjacent angles, which must be supplementary.
Therefore,
Also,┬а┬аand┬а┬аare opposite angles of a parallelogram.
Therefore,
┬а
Hence, the angles of a parallelogram are┬а┬а,┬а┬а,┬а┬а┬аand┬а┬а┬а.

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