1. What is the value of x? Identify the missing justifications.
1 answer:
Answer:
x= 45°
Properties (B).
- Angle addition postulate
- Subtraction property of Equality
Step-by-step explanation:
Given
mPOR = x + 7,
mSOR =x+3
mPOR + mSOR = mzPOS = 100--------Apply Angle addition postulate
mPOR + m_SOR = m_POS
x+7+x+3=100-------------------------------apply addition property of equality
2x+10=100----------------------------------apply subtraction property of equality
2x=100-10
2x=90----------------------apply division property of equality
2x/2=90/2
x=45°
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