A sequence starts 1 4 9 16 The nth term is n²
Use this fact to find the nth term of the following sequences:
a) 2 5 10 17
b) 2 8 18 32

I uploaded the answer to a file hosting. Here's link:

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10 cm

step-by-step explanation:

if the polygon is a rectangle, then the perimeter is x+x+y+y. using the values that you gave, the perimeter is 3+3+2+2=10cm.

not sure but it may be b, as i said i'm not sure.