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andriy [413]
3 years ago
12

HELPPPPP MEEEEE!!! #7

Mathematics
1 answer:
marysya [2.9K]3 years ago
7 0
Angle 6 and Angle 7 are each 90° since they’re on a straight line and are both equal.
180-90= 90
*you subtract from 180 because that’s how many degrees are in a straight line*
Angle 7 and Angle 1 are alternate exterior angles so that makes them congruent by definition.
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