Different ways to approach this problem...
<<<Think>>> What is the length of Square 1?
Here are 2 ways methods presented...
Method 1: Find the area of a right-angled triangle, then multiply by 4
Method 2: Find the area of a rectangle
Can you point out one more error in the above working? (method 2)
By the way, what is the answer to (c)?
Area of Square n = ?