Answer:
Width Length Perimeter
2m 32m 68m
4m 16m 40m
8m 8m 32m
Region #3 would use the least amount of tape with a perimeter of 32m
Explanation:
We know the area is 64m²
Area is length x width and Perimeter is length+width+length+width
If the width is 2 then the length has to be 32 (32x2=64) and the perimeter is 68 (32+32+2+2=68)
If the width is 4 then the length has to be 16 (16x4=64) and the perimeter is 40 (16+16+4+4=40)
If the width is 8 then the length has to be 8 (8x8=64) and the perimeter is 32 (8+8+8+8=32)