Question

Am I Right???

Answer 1

first and second are correct but i dk abot third

Answer 2

if my answer helped you plzz medal me!

Answer 3

Yes it did, thank you

Answer 4

:))

Answer 5

first is correct

Answer 6

for second :
if the dot product is 0, then the vectors are `perpendicular`

Answer 7

Oh ok

Answer 8

for the last, you may use below :
length of vector \((a, b)\) is \(\sqrt{a^2+b^2}\)

Answer 9

Oh so its root 13?

Answer 10

Yep!

Answer 11

Ok, thank you

Answer 12

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