Answer:
Step-by-step explanation:
3.2*2.9 + 3.2*2.9r =
9.28 + 9.28r =
or set equal to zero
9.28 + 9.28r = 0
9.28r = -9.28
r = -1
Here you go! :)
2. 2 pairs of parallel sides
3. 3 sides of equal length
11
Answer D