In this worksheet, we will practice finding the coordinates of a midpoint and an end point in three dimensions using a formula.

**Q1: **

Given that the midpoint of lies in the -plane, and the coordinates of and are and , respectively, determine the value of .

- A
- B
- C
- D

**Q3: **

Determine, to the nearest hundredth, the perimeter of the triangle formed by joining the midpoints of the sides of , given that the coordinates of , , and are , , and , respectively.

**Q4: **

Given that point is the midpoint of and that , what are the coordinates of ?

- A
- B
- C
- D

**Q5: **

Given that point is the midpoint of and that , what are the coordinates of ?

- A
- B
- C
- D

**Q6: **

Given that point is the midpoint of and that , what are the coordinates of ?

- A
- B
- C
- D

**Q7: **

Determine, to the nearest hundredth, the perimeter of the triangle formed by joining the midpoints of the sides of , given that the coordinates of , , and are , , and , respectively.

**Q8: **

Given that the midpoint of lies in the -plane, and the coordinates of and are and , respectively, determine the value of .

- A
- B
- C
- D

**Q9: **

Given that the midpoint of lies in the -plane, and the coordinates of and are and , respectively, determine the value of .

- A
- B
- C
- D