\left. \begin{array} { l } { \pi ^ { 2 } h } \\ { \frac { 22 } { 7 } \ – InterviewSolution

1.	\left. \begin{array} { l } { \pi ^ { 2 } h } \\ { \frac { 22 } { 7 } \times ( \frac { 7 } { 2 } ) ^ { 2 } \times 10 } \end{array} \right.
Answer» = 22/7 × (7/2)² × 10= (220× 49)/7×4= 55 × 7 = 385

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