First of all to correct your spelling. 'Are' is part of the verb 'to be'. The word you need is 'Area'. Note the spelling.
Secondly, under the Imperial system, it is NOT 'inches squared' but 'square inches' (sq.ins).
To answer you question
Area = length X width
Algebraically
A = lw
Algebraically rearrange
l = A/w
Substituting
l = 45 sq. ins / 10 ins
l = 4.5 inches.
452
4.5 inches.
The area of a rectangle is: length * width= 45 cm * 30 cm = 1350 cm^2
45*30 = 1350 square units
1,350cm
150 cm
4.5 inches.
4.5 inches
Perimeter of Rectangle = 2(length + width) =2(45+30) =150 cm
The area of a rectangle is: length * width= 45 cm * 30 cm = 1350 cm^2
45
45 meter sq. (area = length * width)
x=width x+25=length 4x+50=130 4x=80 x=20 width is 20 length is 45
45*30 = 1350 square units
150 cm !
45
150cm.
1,350cm