The length and width of a rectangular figure are in the ratio 4 : 3,If the diagonal measures 80 cm, then what is the perimeter of the rectangle?


Sagot :

Answer:

Juan has a rectangular cardboard whose length (l) is (10x + 3) cm and width (w) is (8x + 5) cm. Then,

he folded up the sides of the rectangular cardboard by (2x + 1) cm to make a box with no top.