The union of the sets in P is equal to X (which is ⋃ A ∈ P A = X displaystyle textstyle bigcup _ Ain P A=X Lastly, learners will utilize the phrase lender to jot down the correct time period with the picture and then to partition the shapes. https://www.generationgenius.com/videolessons/partition-shapes-into-equal-shares/