Answer:
i bleive that it is 261 havent done this in a wile tho
Step-by-step explanation:
15×12=180 ( did not divide because there are two of the same triangle) and 9×9=81 add them together and you get 216
The 6th term is first integer value of n greater then 50 in the 2n^2 sequence.
2n^2 sequence:
2,8,18,32,50,72
135
