Answer:
Length=6
Width=3
Step-by-step explanation:
Area:L*W
Area= 6*3=18
Perimeter: 2 (L+W)
Perimeter= 2 (6+3)= 12+6=18
h=12
by cross multiplying we get 1h=12 or h=12 so h=12
13 and a half 5 and half and 16