What is the ratio of the sector area to the area of the entire circle?
Answer is: 1/5


Answer:

1/5

Step-by-step explanation:

Area of the sector = pi r^2 ( 72/360)

area of the circle = pi * r^2

divide these


Area of the sector = pi r^2 ( 72/360)

----------------------------------------------------

area of the circle = pi * r^2


cancel the pi and the r^2


Area of the sector   ( 72/360)

----------------------------=

area of the circle  

divide the top and bottom of the fraction by 72

Area of the sector    

---------------------------- = 1/5

area of the circle  


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Answer:

A) 1/5

Step-by-step explanation:

I just took the test


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