Answers

  • Brainly User
2014-09-18T10:11:27+05:30
Let prism have height = h cm.
Then surface area consists of three rectangles one of whose length = h cm  and other sides are 9cm, 12cm, 15cm.
Hence surface area = 9h + 12h + 15h  = 36xh = 468 sqcm
                                                            OR h = 468 / 36 = 13 cm 
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