How do you take a screenshot on an iphone?

Press the home button and power button at the same time

You hold the home and power button at the same time and it will like click and make a nosie and thats it.

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.