400 = CD
CD is the Roman numeral for 400.
XL=400 * * * * * No. XL is the Roman number 40. 400 is CD.
400 = CD
400 = CD
figure it out (400 is the answer)
It is: CD = 500-100 = 400
400 = CD
It is a plane figure bounded by 400 straight lines.
400
400
CD
400