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Masja [62]
3 years ago
6

What does this symbol mean in maths? U

Mathematics
1 answer:
Yanka [14]3 years ago
3 0

Answer:

union meaning the set made by combining the elements of two sets

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If a(5,3),b(0,0) and c(-3,5) are the vertices of a triangle then the value of AB.BC is
statuscvo [17]

The <em>dot</em> product associated to sides AB and BC is 0.

<h3>What is the dot product generated by two sides of a triangle?</h3>

In this question we must find the <em>dot</em> product of two vectors associated with two surrounding sides of a triangle. First, we need to find the vectors associated to sides AB and BC:

Side BA

<u>BA</u> = (5, 3) - (0, 0)

<u>BA</u> = (5, 3)

Side BC

<u>BC</u> = (- 3, 5) - (0, 0)

<u>BC</u> = (- 3, 5)

By definition of <em>dot</em> product, the result associated to the two sides of the triangle is:

<u>BA</u> • <u>BC</u> = (5, 3) • (- 3, 5)

<u>BA</u> • <u>BC</u> = (5) · (- 3) + (3) · (5)

<u>BA</u> • <u>BC</u> = - 15 + 15

<u>BA</u> • <u>BC</u> = 0

The <em>dot</em> product associated to sides AB and BC is 0.

<h3>Remark</h3>

The statement is poorly formatted, the correct form is shown below:

If A(x, y) = (5, 3), B(x, y) = (0, 0) and C(x, y) = (- 3, 5) are the vertices of a triangle then the value of the dot product between vectors AB and BC is:

To learn more on dot product: brainly.com/question/14455586

#SPJ1

8 0
2 years ago
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