Mathematics, 15.10.2020 08:01 DisneyGirl11
The sum of interior angles in a triangle are 180 degrees. Angle B and C are congruent. Angle B is twenty less than angle A. Write and solve a system of equations using substitution. Write and solve a system to determine the measure of angles A, B, and C.
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The sum of interior angles in a triangle are 180 degrees. Angle B and C are congruent. Angle B is tw...
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