Answer:
The surface area of the figure is 352 cm².
Step-by-step explanation:
Given:
Length(l) = 12 cm.
Width(w) = 4 cm.
Height(h) = 8 cm.
Now, to find the surface area.
By putting the formula to get the surface area:
Surface area = 2(l×w+w×h+h×l)



Therefore, the surface area of the figure is 352 cm².
Answer:
I believe its 108°
Step-by-step explanation:
as it's a pentagon I looked up the angle of the top of a pentagon and found 108°
Answer:
30
Step-by-step explanation:
Using the substitution method
5(3) + 3(5) =
15 + 15 = 30