The two vectors i^+j^ and 3i^+j^+4k^ represent the sides of AB→ and AC→ respectively of triangle ABC. Find the length of the median through A.

The two vectors $\hat{i} + \hat{j}$ and $3 \hat{i} + \hat{j} + \hat{4 k}$ represent the sides of $\vec{A B}$ and $\vec{A C}$ respectively of triangle ABC. Find the length of the median through A.

Mixed-up sentence exercise

Put the parts in order to form a sentence. When you think your answer is correct, click on "Check" to check your answer. If you get stuck, click on "Hint" to find out the next correct part.