Question

alguém sabe??????????☝️​

Answer 1

Explicação passo a passo:

1 triangulo >>>>>>>3 palitos

2 triangulos >>>>> 5palitos ( 3 + 2 )

3 triangulos >>>> 7 palitos (3 + 4 )

4 triangulos >>>>> 7 + 2 = 9 palitos ( 3 + 6 )

5 triangulos >>>>>9 + 2 = 11 palitos ( 3 + 8 )

6 triangulos >>>>> 11 + 2 = 13 >>>> ( 3 + 10)

7 triangulos >>>>> 13 + 2 = 15 >>>>( 3 + 12 )

8 triangulos >>>>> 15 + 2 = 17 >>>> ( 3 + 14 )

9 triangulos >>>> 17 + 2 = 19 >>>> ( 3 + 16 )

10 triangulos >>>> 19 + 2 = 21 >>>> ( 3 + 18 )

resposta >>> c = 21 palitos