Answer:
If the width is 5 cm and the length is 4 cm it satisfies both parts.
6 x 4 = 24
24 - 5 = 19
5 x 4 = area of 20
Step-by-step explanation:
x^3 = 8/216
x^3 = (2^3/6^3)
(x^3)= (2/6)^3
x =2/6
x = 1/3