First, find the surface area of the yellow prism. 3 cm 3 cm
front: [?]
&
back: []
right: []
left: 0]
4 cm
3 cm
3 cm
6 cm
6 cm
top: [ ]
5 cm
5 cm
TOTAL: []
Note: The bottom will not be
included because this is where
the two shapes connect.

the answer is ! ?

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

answer: c

step-by-step explanation