Question

Find a general formula for the number of matchsticks used to make these patterns.​

Answer 1

Answer:

matchsticks are 4, 7, 10, and 13, which is 1 more than thrice of the number of squares in the pattern. Hence, the pattern is 3n + 1, where n is the number of squares.

Answer 2

$\textbf{Answer:-}$

• = 2n (as two matchstick used in each letter)

• = 3n (as three matchstick used in each letter)

• = 3n (as three matchstick used in each letter)

• = 2n (as two matchstick used in each letter)

• = 5n (as five matchstick used in each letter)

• = 5n (as five matchstick used in each letter)

• = 6n (as six matchstick used in each letter)