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ΔABC has the following angle measures: A = 40 degrees, B = 60 degrees, and C = 80 degrees. The triangle is reflected across the x-axis to obtain ΔA’B’C’. What is the measure, in degrees, of angle B' ?
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ΔABC has the following angle measures: A = 40 degrees, B = 60 degrees, and C = 80 degrees. The triangle is reflected across the x-axis to obtain ΔA’B’C’. What is the measure, in degrees, of angle B' ?

User Kamo Spertsian
by
3.7k points

1 Answer

1 vote

Answer:

60 degrees.

Explanation:

A reflection does not alter the size of the angles of the triangle so B = 60 degrees.

User Xelz
by
3.3k points
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