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The base of a right pyramid is an equila...

The base of a right pyramid is an equilateral triangle with area `16 sqrt 3 cm^2` . If the area of one of its lateral faces is 30 `cm^2`, then its height (in cm) is:
एक लम्ब पिरामिड का आधार एक समबाह त्रिभुज है जिसका क्षेत्रफल `16 sqrt 3` वर्ग सेमी है | यदि इसके एक पार्श्व फलक का क्षेत्रफल 30 वर्ग सेमी है, तो इसकी ऊंचाई ज्ञात करें |

A

`sqrt(739/12)`

B

`sqrt(209/12)`

C

`sqrt(611/12)`

D

`sqrt(643/12)`

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