A bag contains counters that rae red, black or green.1/3 of the counter are red.1/6 of the counter are black. There are 15 green counters in the bag. How many black counters are in the bag?

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a