Answer:
The number of tiles needed to cover Region Z is the same as the number of tiles needed to cover both Region X and Region Y.
No, the two sets are not disjoint.
Step-by-step explanation:
Set of triangular numbers to 50: 1, 3, 6, 10, 15, 21, 28, 36, 45
Set of square numbers to 50: 1, 4, 9, 16, 25, 36, 49
They have 1 and 36 in common, so they are not disjoint, or in other words, they have some of the same numbers.
Height of prism = 7 inches
Let h be the height of prism.
Hence,
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