Circle N is shown. LIne segments L N and M N are radii. The length of L N is 4. Angle L N M is 72 degrees. Sector L N M is shaded.
What is the ratio of the sector area to the area of the entire circle?
One-fifth
One-half
2
4
(answer is 1/5)
+4
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Home » Mathematics » Circle N is shown. LIne segments L N and M N are radii. The length of L N is 4. Angle L N M is 72 degrees. Sector L N M is shaded. What is the ratio of the sector area to the area of the entire circle? One-fifth One-half 2 4 (answer is 1/5)