Answer:
10.5
Step-by-step explanation:
Its a right triangle, and the units were on right there, so I found the perimeter of the square it would be, then divided it by 2, because 2 triangles make a square.
brainiest?
(9+12)/2 = 10.5
Answer:
what up my guy?
Step-by-step explanation:
Answer:
oop sry cant help way above my grade level.
Step-by-step explanation: