In a far off land, a magical gem keeps the fairy palace safe. A mean witch breaks the gem into 7 equal pieces and scatters them into the wind. Sir Goodheart is a brave knight who promises to help the fairies by finding all the pieces. So far, Sir Goodheart has found 4 pieces of the gem. What fraction of the gem has Sir Goodheart found?

4+4+2x

or

2x+8

step-by-step explanation:

0.038

step-by-step explanation:

moderators are

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