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CC12:
Math help please
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CC12:
CC12:
@Shadow can you explain this to me
Shadow:
Since sides BA and AC are congruent to each other, so are the angles ABC and ACB, or just B and C.
Shadow:
25 = 5x.
Shadow:
We don't need to solve for x since by this we know that both angles are 25 degrees.
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Shadow:
The sum of all angles in a triangle is 180 degrees. 25+25 = 50 180-50 = 130 Angle A = 130 degrees.
Shadow:
3y + 70 = 130 Solve for y
CC12:
y=20 thank you shadow
Shadow:
No problem
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