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ss7ja [257]
2 years ago
13

If m _1 = 40°, then m AB =

Mathematics
1 answer:
Ymorist [56]2 years ago
4 0

Answer:

arc AB = 40°

Step-by-step explanation:

The measure of arc AB is equal to the measure of the central angle that intercepts it, then

arc AB = ∠ 1 = 40°

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Answer:

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Step-by-step explanation:

It sounds like we are pretending A is the universe.  The only numbers in our world are 1,2,3,4, and 5.

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The elements in B are 3,4, and 5, since we are looking for numbers greater than 2 in our world of numbers above.

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So B complement is {1,2}.

There are 2 elements in our set for B complement. The elements that were counted were just the element 1 and the element 2.

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