The measure of three angles of a quadrilateral are 100° ,70°,80° then the fourth angles is

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The measure of three angles of a quadrilateral are 100° ,70°,80° then the fourth angles is

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Harper 2 weeks 2021-09-04T17:42:27+00:00 1 Answer 0 views 0

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    2021-09-04T17:44:19+00:00

    all angles have a sum….. 360

    so,108+75+105+x=360

    x=80

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