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March 1, 2015

Posted by **Sally** on Tuesday, May 18, 2010 at 5:35pm.

- algrbra/trigonometry -
**Reiny**, Tuesday, May 18, 2010 at 5:41pmperfect setup for using

area = (1/2)(b)(c)sin A, where A is the contained angle.

area = (1/2)(10)(18)sin 120°

= 77.94 or 45√3 as an exact value.

- algrbra/trigonometry -
**kiki**, Sunday, May 23, 2010 at 9:16pmthis is wrong.

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