Use the following formula for the calculation of the area:
A = w·l
where:
w: width = 3/10 m
l: length = 3/5 m
replace the previous values of the parameters into the formula for A:
A = (3/10 m)(3/5 m)
A = 9/50 m²
A = 0.18 m²
Hence, the area of the given rectangle is 0.18 m²
