A) 15 cm
B) 49 cm
C) 45 cm
D) 35 cm
Correct Answer: B
Solution :
Given BC = 9.1 cm, EF = 6.5 cm and perimeter of ADEF is 35 cm. Let the perimeter of\[=\frac{{{n}^{2}}{{(n+1)}^{2}}}{4}[4{{n}^{2}}+4n+1]\]be \[={{S}_{3}}[4n(n+1)+1]\] cm \[={{S}_{3}}(8{{S}_{1}}+1)\] \[7{{t}_{7}}=11{{t}_{11}}\] Perimeter of \[\Rightarrow \]is 49 cm.You need to login to perform this action.
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