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# Lesson Worksheet: Cross Product in 3D Mathematics

In this worksheet, we will practice finding the cross product of two vectors in space and how to use it to find the area of geometric shapes.

**Q4: **

Find the unit vectors that are perpendicular to both and .

- A or
- B or
- C or
- D or
- E or

**Q9: **

Given that , , and , determine the area of the triangle approximated to the nearest hundredth.