| Teacher/User Name: DEMO | Name:__________________________ |
| Practice Problems By Easy Worksheet
| Period: ________ Date: ____________ |
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| 1) | Find the area of a triangles with vertices (-1,-3,4), (0,-2,0), and (-2,-3,4). By Easy Worksheet By Easy Worksheet By Easy Worksheet By Easy Worksheet |
2) | Find the area of a parallelogram with vertices (1,4,4), (4,6,1), (-1,5,6), and (-4,3,9). |
| 3) | Given a = <2,-3,x> and b = <-1,y,-1> and By Easy Worksheet By Easy Worksheet By Easy Worksheet By Easy Worksheet |
4) | Given a = 4i + j - k and b = -5i + 5j - 5k, find a vector orthogonal to the plane containing a and b. |