A) \[1143\,c{{m}^{3}}\]
B) \[1134\,c{{m}^{3}}\]
C) \[1413\,c{{m}^{3}}\]
D) \[1314\,c{{m}^{3}}\]
Correct Answer: C
Solution :
| [c] Base area of the right prism \[=\sqrt{27\,(27-13)\,(27-20)\,(27-21)}\] \[\therefore \] \[S=\frac{13+20+21}{2}=27\] \[=\sqrt{27\times 14\times 7\times 6}\] \[=9\times 7\times 2=126\] Then volume of the right prism = Base area \[\times \] Height \[=126\times 9\] \[=1134\,c{{m}^{3}}\] |
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