Question 1 of 40

Ali uses rods to foam that follow a pattern. The first five figures are shown in below image.
(a) The table shown the number of rods used and the number of triangles found in each figure. Complete table for figure 6. \begin{array}{|c|c|c |} \hline \mbox{Figure No.} & \mbox{No. of rods used} & \mbox{No. of triangles} \\ \hline 1 & 6 & 4 \\ \hline 2 & 9 & 4 \\ \hline 3 & 16 & 12\\ \hline 4 & 17 & 8 \\ \hline 5 & 26 & 20 \\ \hline 6 & 25 & \\ \hline \end{array}
(b) How many rods would he use in figure 7?
(c) How many rods would he use in figure 30?

Question Image of Ali uses rods to foam that follow a pattern. The first five figures are shown in below image. <br>(a) The table shown the number of rods used and the number of triangles found in each figure. Complete table for figure 6. \begin{array}{|c|c|c |} \hline \mbox{Figure No.} & \mbox{No. of rods used} & \mbox{No. of triangles} \\ \hline 1 & 6 & 4 \\ \hline 2 & 9 & 4 \\ \hline 3 & 16 & 12\\ \hline 4 & 17 & 8 \\ \hline 5 & 26 & 20 \\ \hline 6 & 25 &  \\ \hline \end{array} <br>(b) How many rods would he use in figure 7? <br>(c) How many rods would he use in figure 30? .
A
(a) 10
(b) 34
(c) 120
B
(a) 12
(b) 36
(c) 121
C
(a) 14
(b) 38
(c) 122
D
(a) 16
(b) 40
(c) 123
E
None of the above