2 years ago

Please help. I’ll mark you as brainliest if correct

Mathematics

1 answer:

saul85 [17]2 years ago

5 0

Answer:

25.12

Step-by-step explanation:

C = 2pir

2 * pi = 6.28, 6.28 * 4 = 25.12

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miv72 [106K]

For this case we have the following vectors:
$a = (2,1, -4)

b = (- 3,0,1)

c = (- 1, -1,2)$
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For the product point of the vectors a and b we have:
$a.b = (2,1, -4). (- 3,0,1)

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