Answers

2016-03-18T19:02:07+08:00
h= \sqrt{l ^{2} }+ x^{2}
h=√52

v=845.7622
la=226.1946
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2016-03-19T13:07:52+08:00
 LA=  3.1416 (4+8)(6)
LA= 226.1952 cm²
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