saurabh's answer to shu's Primary 6 Maths Algebra Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
These are Squares.
At nth step there are total (n+2)**2 squares.
Out of which n**2 are white and (n+2)**2 - n**2 = 4(n+1) are black.
At nth step there are total (n+2)**2 squares.
Out of which n**2 are white and (n+2)**2 - n**2 = 4(n+1) are black.
Date Posted:
2 years ago
360 Tutoring Program