Answer:
B 6.3
Explanation:
r = 8
l = 2*3.14*r
l = 50.24
s=l/360*45
s≈6.3
For this case we have that by definition, the arc length is given by:
Where:
r: It's the radio
a: It is the angle of the sector
Then, according to the data we have:
Rounding we have 6.3in
Option B
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