Question

Tolong dong yqng bisa untuk nomor 7,8,9,10 !!!

Answer 1

7.KnL={segitiga sama kaki}
maaf klo salah.....
8.n(AUB)= n(A)+n(B)-n(AnB)
n(AUB)=14+10-6=18
9.n(A U B) = n(A) + n(B) - n(B) = 25+15-15 = 25
10.n(A u B) = n(A) + n(B) = 25+15 = 40

Sekali lagi maaf kalo salah