Solution

Shape Times Shape Vihaan

First name
Vihaan
School
Singapore American school
Country
Age
11

 triangle is zero, many times red triangle times any shape is red triangle so red triangle is zero.


Diamond is 1: diamond times shape in a is always shape 

Square 2: 

Rectangle blue is 3

Orange oval is 2 square 2*2 is 4

Star is 5

Green triangle is 6 

Yellow semi circle is  2^3 or 8

Starburst is rectangle times rectangle or 3*3 or 9

Hexagon is star into square 5*2 or 10 

Red circle is green triangle Times Square or 2*6 or 12 

No 7 or 11