The answer would be C. $40.85
Answer:

Step-by-step explanation:
Using pythagoras theorem,

Answer:
19
Step-by-step explanation:
-8+8=0
0+19=19
Hope it helps.
Answer:
False
Step-by-step explanation:
A square has two dimensions (length times width), whereas a cube has three (length times width times height). Therefore, "a cc is the space taken by a cube of side 1 cm."
Anytime you have a triangle (right triangles are preferred) where at least 2 angle measures and 1 side is known. Or, at least two sides and 1 angle measure.
OR..... 3 sides or three angles are known. So, sines or cosines could be used at almost anytime to find the sides and angles of a triangle!