How many triangles will there be in the 7th term of the following sequence?

The figure shows a sequence. The first figure in the sequence shows a triangle, the second figure shows 4 triangles, the third figure shows 7 triangles and so on.

A. 19
B. 22 **
C. 16
D. 8

3 answers

not quite. How many times do you add 3 to get the 7th term?

Sisisi

Oof d
Kdmk

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