ZABC and ZQRS are supplementary angles.
If the measure of ZABC = 91', what is the
measure of ZQRS?
mZQRS = [?]°

Answer:

Solution given:

<ABC and <QRS are supplementary angles.

<ABC = 91°

we have

<ABC +<QRS=180°[supplementary]

<QRS=180°-91°=89°

m<QRS=89°

HELP!!!

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