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Mathematics, 17.03.2021 23:50 bbthomas

The four interior angles of a quadrilateral are 3x + 80°, 5x + 109, 3x – 20° and 4x – 10°. Calculate each interior angle of the quadrilateral.

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The four interior angles of a quadrilateral are 3x + 80°, 5x + 109, 3x – 20° and 4x – 10°. Calculat...
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