SOLUTION: he vertex angle of an isosceles triangle is 40°20'. Each of the leg measures 320 mm. Find the length of the base.

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Question 1074752: he vertex angle of an isosceles triangle is 40°20'. Each of the leg measures 320 mm. Find the length of the base.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
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So then V%2F2=20%2B10%2F60=120%2F6%2B1%2F6=121%2F6
So,
sin%28121%2F6%29=%28B%2F2%29%2F320
B=220.6cm