Answer:
40
Step-by-step explanation:
So split it into two shapes. Two rectangles.
Rectangle 1 = 4 * 5 = 20
Rectangle 2 = 2 * 10 = 20
20 + 20 = 40
Vertex is (-2,-3) and it's a minimum.
It's a right triangle. Use the pythagorean theorem. 36^2+r^2=(r+12)^2. r=48.
Hi!
The combination of 4 digit numbers using those numbers are: 3, 276; 3, 762; 3, 267; 3, 726; 3, 672 etc. This is pretty easy, now you try.
Hope I helped! Have a nice day!