Mathematics, 22.07.2020 23:01 dragongacha777

The sum of the angles of a triangle is 180°. If one angle of a triangle measures x and the second angle measures (4x + 15)°, express the measure of the third angle in terms of x. Simplify the expression.

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The sum of the angles of a triangle is 180°. If one angle of a triangle measures x and the second an...