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September 19, 2014

September 19, 2014

Posted by **upasna** on Thursday, February 23, 2012 at 6:41am.

- math -
**Henry**, Friday, February 24, 2012 at 11:36amtanA = h/(b/2).

tanA = 3.5 / (b/2).

tan60 = 3.5 / (b/2).

(b/2)tan60 = 3.5.

b/2 = 3.5 / tan60. = 2.02.

b = 4.04 cm.

a = b = c = 4.04 cm.

A = B = C = 60 Deg.

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