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alina1380 [7]
3 years ago
8

HURRY PLEASE!!! 20 pts. In the diagram of circle A, what is m∠LMN?

Mathematics
2 answers:
ExtremeBDS [4]3 years ago
8 0

Answer:

m∠LMN=90\°

Step-by-step explanation:

we know that

The measurement of the external angle is the semi-difference of the arcs which comprises

In this problem

m∠LMN ---> is the external angle

m∠LMN=\frac{1}{2}[major\ arc\ LN- minor\ arc\ LN]

we have that

major\ arc\ LN=270\°

minor\ arc\ LN=360\°-270\°=90\°

substitute

m∠LMN=\frac{1}{2}[270\°- 90\°]

m∠LMN=\frac{1}{2}[180\°]

m∠LMN=90\°

Elena-2011 [213]3 years ago
6 0
90 degrees would be the answer
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