Answer:
Area of a triangle=1/2base x height
1/2x12x4
6x4
24units
Perimeter is the distance round the given figure
9+12+5
26units
hope you get it....sorry for any mistake calculations
bro i ahve no clue 392
3254
2352
253 t
thats it
Answer:186639777584
Step-by-step explanation:calculator