SaydeW575250 SaydeW575250

29-10-2022
Mathematics

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Each face of a pyramid is an isosceles with 80° vertex angle. what are the measures of base angles?The measures of the base angles are _°

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AmadiK688651 AmadiK688651

29-10-2022

The 3 interior angles in every triangle add up to 180 degrees, and in isosceles triangles the two base angles are the same, so:

180=80+2x

180-80=2x

100=2x

x=100/2=50 degrees

The measures of the base angles are 50 degrees

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