A Ribbon of Nichrome (Resistivity = 1 $\varOmega$ ·M)with a Rectangular Cross Sectional Area and Length 21

A ribbon of nichrome (resistivity = 1.00 * 10^-6 $\varOmega$ ·m) with a rectangular cross sectional area and length 21.9 cm is used as a heating element in a toaster.What is the cross-sectional area of the ribbon,if the total resistance is intended to be 1.5 $\varOmega$ ?

A) 1.24 mm²
B) 1.02 mm²
C) 0.79 mm²
D) 0.25 mm²
E) 0.33 mm²