Answer:
Surface area is 66 units.
Step-by-step explanation:
I calculated the area of each rectangle in the net.
3 x 7= 21
3 x 7= 21
2 x 3= 6
2 x 3= 6
2 x 7= 14
21 + 21 + 6 + 6 + 14 = 66
Hey there
The slopes of perpendicular lines are negative reciprocals. <span>Perpendicular lines have slopes that are </span>negative reciprocals<span> of each other.</span><span>
= (C) </span>