Answer: 35
Step-by-step explanation:
Angle ACD = 70
Angle BCD = 70/2 = 35
The pattern is - 8 so the answer is 12.
Answer:
Other root: 

Step-by-step explanation:
If
, then
.
Therefore:





This means that the other root is
since 
First, find the area of each of the prisms sides
5 by 5.5 = 27.5
3 by 5.5 = 16.5
4 by 3 cut in half = 6 (theres 2 of thoses so 12)
4 by 5.5 = 22
Add up the products and the surface area is 78 units
Post brainliest if this helped :)