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27 February, 00:45

the measure of two adjacent angles of parallelogram are in the ratio 3:7 find the measure of each angle of parallelogram

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  1. 27 February, 00:52
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    from the pararellelogram has 4 angles is 180° and each 2 angles of this is equal so the ratio is 3:7 it will be 3x and 7x.

    from each 2 angles is equal it will be 3x+7x = 180/2 so 10x=90; x=9

    Substitute x=9 in 3x and 7x; the angles is 27 and 63
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