Solution

23262

First name
thomas Dhome-Casonova
School
colet Court
Country
Age
9

First Shape has a perimeter of 18 (ie (6+3)*2) and a area of 18 (ie 6*3)
Second shape has a perimeter of 22 and an area of 12

shapes:
A, B , C , D
F, E , G, H

A: P is 18 , A is 18
B: P is 20 , A is 17
C: P is 18 , A is 16
D: P is 20 , A is 16
E: P is 22 , A is 12
F: P is 12 , A is 9
G: P is 20 , A is 25
H: P is 16 , a is 9

The perimeter is always bigger except for one (Shape G)