Mathematics, 05.05.2020 10:56 nya95

2 congruent triangles are connected at one side to form a parallelogram. The triangles have angle measures of 140 degrees and 20 degrees. The parallelogram on the left is formed using two congruent triangles. What is the sum of the interior angles of this parallelogram? The sum of the interior angles is °.

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2 congruent triangles are connected at one side to form a parallelogram. The triangles have angle me...

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