Question

The perimeter of a triangle with sides 3i+ 4j+ 5k, 4i-3j-5k and 7i+j is
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Answer 1

Step-by-step explanation:

here is your answer of your question

Answer 2

The perimeter, P, of a triangle is given by the formula

P = a + b + c

where a, b and c are the side lengths of the triangle.

Here P=(3i+4j+5k)+(4i-3j-5k)+(7i+j+0k)

=(14i+2j)

=2(7i+j)