If the measure of arc LN = 145°, what is the measure of arc LMN?
Options
A
135°
B
145°
C
205°
D
215°
Answer & Analysis
Answer
D
Analysis
Question Analysis
This question focuses on the relationship between the measures of different arcs in a circle, specifically between a minor arc and the corresponding major arc.
Key Concept Explanation
Arc Measures in a Circle: The sum of the measures of a minor arc and its corresponding major arc in a circle is .
Step - by - Step Solution
1. Given that the measure of arc (a minor arc) is .
2. Arc is the major arc corresponding to arc .
3. To find the measure of arc , we use the formula: Measure of major arc measure of minor arc.
Substitute the measure of arc
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