Question

which option is correct
please give me answer​

Answer 1

Answer:

equilateral

Step-by-step explanation:

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Answer 2

let us assume that i is 1, j=2,k=3

Now sustitute the values

6+8+15,4+10 +18,5+12+12

29,32,29

now we got two 2 vectors as common

so , two sides may be equal . so , it must be an isosceles triangle