Answer:
Step-by-step explanation:
since EG bisects angle DEF
31 = x + 15
31 - 15 = x
x = 16 degree
6x - 4 = 56
6x = 56 + 4
x = 60/6
x = 10
8. 16
9. 10
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Subset of A = { {} , {a} , {b}, {a.b} }
Yes
-21/4
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