
Respuesta :
Answer: 9/2Ï€
20 / 9 = 10Ï€ Â s
20 /9 Â *10Ï€= s
2 /9  π = s
The length of an arc with radius 5 units and angle 162 degrees is 14.13 units
Length of an arc
The formula for calculating the length of an arc is expressed as:
L =rtheta
where:
- r is the radius of the circle'
- theta is the subtended angle in radians
Given the following
r = 5 units
theta = 162Ï€/180 = 9Ï€/10
Substitute
L = 5(9Ï€/10)
L = 4.5Ï€
L = 4.5(3.14)
L = 14.13 units
Hence the length of an arc with radius 5 units and angle 162 degrees is 14.13 units
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