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### Grade 8 - Mathematics4.10 Set Operations - Union

 n(AÈB) = n(A) + n(B) - n(AÇB) Example: n(A) = 5 and n(B) = 6 and n(AÇB) = 3 find n(AÈB) Solution: n(AÈB) = n(A) + n(B) - n(AÇB) = 5+6-3 = 11-3 n(AÈB) = 8. Directions: Solve the following problems. Also write at least five examples of your own and represent them in venn diagram.

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### Grade 8 - Mathematics4.10 Set Operations - Union

 Q 1: n(A) = 8 and n(B) = 3 and n(AÇB) = 2 find n(AÈB)911N0ne of these7 Q 2: n(A) = 6 and n(B) = 8 and n(AÇB) = 4 find n(AÈB)106148 Q 3: n(A) = 6 and n(B) = 3 and n(AÇB) = 5 find n(AÈB)5764 Q 4: n(A) = 10 and n(B) = 5 and n(AÇB) = 4 find n(AÈB)1211816 Q 5: n(A) = 10 and n(B) = 4 and n(AÇB) = 3 find n(AÈB)812116 Q 6: n(A) = 4 and n(B) = 5 and n(AÇB) = 6 find n(AÈB)4376 Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!