Originally Posted by

**Macleef** Could you please correct my answers for the following questions?

**14) ABCD is a square of side length 3 cm.**

1. False because it's not parallel

2. False because it's not parallel

3. True because they are the opposites of one another

**b) Calculate the magnitude of AC.**

4.24 cm

**16) Explain your answer to each question.** (Each of the letters suppose to have an arrow on the top pointing to the right)

**a) If u = v, is it always true that |u| = |v|?**

It's true because they are equivalent vectors.

**b) If |u| = |v|, is it always true that u = v?**

It's true because they are equivalent vectors.