Question

Find the number of tiles in the 43rd picture

Answer 1

1849

Explanation:

1 - 1

2 - 4

3 - 9

4 - 16 (drew this one out)

We can see that each of the triangles is the number of the picture squared. So for the 43rd picture we take 43 * 43 = 1849

So the 43rd picture is 1849

Answer 2

It should be 169 I worked it out and that’s what I got