Mathematics, 22.06.2019 13:00 dontworry48

What is m∠abc? justify your reasoning. using the addition property of equality, 40 + 15 = 55, so m∠abc = 55°. using the subtraction property of equality, 40 − 15 = 25, so m∠abc = 25°. using the angle addition postulate, 15 + m∠abc = 40. so, m∠abc = 25° using the subtraction property of equality. using the angle addition postulate, 15 + 40 = m∠abc. so, m∠abc = 55° after simplifying.

What is m∠abc? justify your reasoning. using the addition property of equality, 40 + 15 = 55, so m∠

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