Which sentences in the passage show the preventive measures to avoid data breach?

Turn off the whole computer or uninstall the thing that's causing malware (if that the data breach happened when you installed something).

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.