What is m∠abc? justify your reasoning.
> using the addition property of equality, 40 + 15...
Mathematics, 12.09.2019 11:10 eduardo60
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.
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