Answer:
7
Step-by-step explanation:
it's a rectangle of area 2*4=8 minus a triangle of area 1*2/2=1 so 8 - 1 = 7
2, 6, 8, 11
A number multiplied by itself gives a perfect square.
4 = 2²
36 = 6²
64 = 8²
121 = 11²
You have to show us the image Sherlock
