SOLUTION: an isosceles triangle has two equal side with a length of 8cm, its angle is 40 degrees and how long is its base?

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Question 857317: an isosceles triangle has two equal side with a length of 8cm, its angle is 40 degrees and how long is its base?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
isosceles triangle has two equal side with a length of 8cm, its angle is 40
sin 20 = opp%2Fhyp+=+%28b%2F2%29%2F8
b = 16+sin+%2820%29