Respuesta :

To calculate the segment AB you have to use the following formula

[tex]AB=\text{ }\frac{\theta}{180º}\pi R[/tex]

θ represents the central angle θ =90º

R represents the radius R= 7.9cm

[tex]AB=\frac{90}{180}\cdot314\cdot7.9=\text{12.403cm}[/tex]

The length of segment AB= 12.403cm

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