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fredd [130]
3 years ago
7

Given A= {1,2,3,4,5,6,7,8,9} and B={2,4,6,8}, what is A U B?

Mathematics
1 answer:
Ugo [173]3 years ago
8 0
A u B = { 1,2,3,4,5,6,7,8,9} 

All elements of both sets , if they are repeating , you don't have to write them twice.

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Answer:

See explanation below.

Step-by-step explanation:

First I'm going to find angle 2. Angle two plus 55 is equal to 115. 180-115=65. 65-55=10 Angle 2 = 10

Next, we can find angle 3. 55+10=65. 180-65=115. Angle 3 = 115

Angle 2 is equal to angle 5, angle 3 is equal to angle 6, and angle 4 is equal to 55.

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