Answer:
Yes; DEF was produced through rigid transformations.
Step-by-step explanation:
You aren't changing the shape or angles of the triangle, you're just moving it through space.
1. width=7
2. 7 x 3 = 21
3. length= 21
4. 21 x 7= 147 sq ft
5. length x width = --- sq ft
is this confusing?
hope it helps!
You can easily count the number of units is on the longer side which is 9 units
