15*9 cm = 135 cm = 53.15 inches.
This is NOT the same as the area of 15 cm x 9 cm since that is not what the question was about.
Five feet six inches !
36 inches
it is about 46 inches
16.9291 inches.
36 inches
64.57 inches
3.74 inches
2.13 inches
About 6 inches
332,500 inches
0.494 inches.
48 inches