An empty frame used to reserve space for a picture to be inserted at a later time is know as what

Wow the answer was a on e dgenuity, ignore the other autistic answers 

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.

This is not computer related