Write the ratio of the first measurement to the second measurement.

length of a tennis racket: 2 ft 4 in. 10. height of a table tennis net: 6 in.
length of a table tennis paddle: 10 in. height of a tennis net: 3 ft
11. diameter of a table tennis ball: 40 mm 12. length of a tennis court: 26 yd
diameter of a tennis ball: 6.8 cm length of a table tennis table: 9 ft