I think the perimeter is 64. If you divided the 4 sides of the window by 256, you get 64. Sorry if it's not right. I hope it is. c;
The diameter is twice as big as the radius
Step-by-step explanation:
Take a look at the picture, And tell me if am wrong
You do 5 multiple by 2 + 2. 4 multiple by 3 + 3. 12 multiple by 15 is 180