area of irregular plygons

[CoolCat123450]

I feel like an enlightened high school student.

[WhoaIhaveNothinghere]

You are amazing. I learned something new ^-^

[mcmufin619]

This didn't yet did help but how the frock did he find the 3m in the second shape last figure.

[talkischeapornot]

where did he get 3 inches in width for the second equation ( the second area or box solved in the irregular) L= 8 W=3 how did he the 3?

[Croccifixo]

@talkischeapornot The full length (12) minus the length of the empty space (9) equals 3

[juju21m]

nice kid.. your much better than my college classmates.. ^^

[suredeath45]

thanks kid, you are awesome