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12.02.2021 •
Mathematics
Please help this is hard.
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Ответ:
Ответ:
angle 2=78 degrees
angle 4=78 degrees
Step-by-step explanation:
so angle 2 is equal to angle 8 bc they are alternate interior angle. we know that angle 8 is 78 degrees bc 180-102=78.
angle 4 is equal to angle 6 bc they are alternate exterior angles. angle 6 is also 78 degrees.
also 2 and 4 are vertical angles which is why they are congruent
:)