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A regular squred pyramid has side of its...

A regular squred pyramid has side of its base 20cm and height 45cm is meited and recast into regular triangular pyramids of equailateral base of side 10cm and height `10 sqrt3` . What are the total numbers of regular triangular pyramid?
एक सम वर्गाकार पिरमिड जिसके आधार की भुजा 20 से.मी. तथा ऊँचाई 45 से.मी. है, को पिघलाकर सम त्रिभुजाकार पिरामिड में ढाला जाता है जिसके समबाहु आधार की भुजा 10 से.मी. तथा ऊँचाई `10 sqrt3` से.मी. है। सम त्रिभुजाकार पिरमिडो की कुल संख्या क्या है?

A

24

B

20

C

27

D

28

Text Solution

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The correct Answer is:
A
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