Use a variable to write the rule for a matchstick pattern of letter Z as … .

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

Clearly, to make one Z, we use 3 matchsticks as shown in the figure.

Rule is given as,

Number of matchsticks required = 3n, where n can take any value 1, 2, 3, …

Answered by  | 4th Jun, 2014, 03:23: PM