Question

Please check my answer!

A triangle pattern is shown. The perimeter of each figure in the pattern is shown in the table below. Which equation relates the number of triangles in the figure (n) to the perimeter of the figure (P)?


A. P=6n+18

B. P=9n+6

C. P=6n+9

D. P=9n+12

Answer 1

A

Explanation:

Answer 2

A ) P=6n+18 where N is the number of triangles. There's always two '9's and the 6 is based on how many triangles there are.