Answer:
It's 1/2*DB*AC
Step-by-step explanation:
dbxbdbxbdjfjfjgiruh jpg be jr jpg be jr jpg be jr jpg be jr jpg be jr
23 the answer i hope its help
3rd one
because it's close
400 800 1200 1600 2000 is anwser
I'm sure 4*4 means 4x4=16