Answer:
In order to calculate area of a square, 'A' be the area of square and the length of the square be 'a'. Then we need to calculate A= a*a. Step 2 :- Accept as input, the length of the sides of the square, and store the value in variable a. Step 3 :- Calculate the area of the square (a*a) and store in a variable A.
Explanation:
The answer would be D. New Slide
..Grooves, or indentations in the rifles's barrel.
Internet maybe?
Not 100% sure though
It helps you in future times. For school work,you have to be ready.