C=-3. (2c)^3
(2(-3))^3
(2-3)^3
(-1)^3
-1*-1*-1=
-1
Answer:
d) 28.472
Step-by-step explanation:
you need to find the length of all the outside edges. for the triangles you will need to use the pythagorean theorem
Answer:

Step-by-step explanation:

Put n = 2 and next n = 3 to the recursive formula:
