The density of aluminum is known to be 2.70 g/cm3
Answer:
to find the area of a polygon
formula: area = 1/2 x perimeter x apothem
Step-by-step explanation:
Here is what it means: Perimeter = the sum of the lengths of all the sides. Apothem = a segment that joins the polygon's center to the midpoint of any side that is perpendicular to that side.
Answer:
-1
Step-by-step explanation:

Hope this helps!
HL is the radius which is half of the diameter....lso 24/2 = 12
r = 1/2(121) is the answer for this one since radius is 1/2 of the diameter