Given :
Diameter of pizza ,
.
To Find :
Is square box of size equal to diameter big enough to fit pizza inside it .
Solution :
Area of pizza :

Area of square with side equal to diameter :

Since , the area of square is more than area of pizza .
Therefore , pizza can easily be fitted .
Hence , this is the required solution .
Percent change=change/original times 100
chane=28-23=5
oriiginal=28
percent change=5/28 times 100
0.178 times 100
17.8
about 18% change
The answer is c because if you have 9 legos and your friends gives you 10 You have now 19 legos