SOLUTION: An isosceles triangle has sides of length 8 cm, 8 cm and 5 cm. Find the angle between the two equal sides.

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Question 884586: An isosceles triangle has sides of length 8 cm, 8 cm and 5 cm. Find the angle between the two equal sides.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If you split the isosceles triangle through the vertex angle, you will have a 2.5-X-8 right triangle with (1/2)vertex angle opposite from the 2.5 side.
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sin%28V%2F2%29=OPP%2FHYP=2.5%2F8
sin%28V%2F2%29=+0.3125
V%2F2=18.2degrees
V=36.4degrees