Homework Help: calc

Posted by Thomas on Sunday, May 23, 2010 at 5:52pm.

A parallelogram has area 85cm squared. The side lengths are 10 cm and 9 cm. What are the measures of the interior angles?

calc - Damon, Sunday, May 23, 2010 at 6:41pm
draw it with 110 as base
base*height = area
h = 85/10 = 8.5
sin A = 8.5/9
compute A

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