Answer:
8
Step-by-step explanation:
since it is a cube the all sides are equal
v=a³
512 = a³
a=³√512
a=8
the length of the rock=8
3x=x+40(vertically opposite angle)
thus ,
X= 20
Answer:
equal to 2
Step-by-step explanation:
50% is the same as 1/2 of 4
