Venn diagram helper (counts)
Region sizes from |A|, |B|, |A∩B|.
Calculator
How to use
Model
Assumes counts match a standard 2-set picture.
Educational use only. For assessments, show reasoning and check boundary cases.
Region sizes from |A|, |B|, |A∩B|.
Assumes counts match a standard 2-set picture.
Educational use only. For assessments, show reasoning and check boundary cases.
Model / formula
Two-set counts → region sizes (cardinality model)
Result
Only A ≈ 25, only B ≈ 20, both ≈ 15 |A∪B| ≈ 60 (if these are region counts)