SOLUTION: if a triangle has two 8 cm sides and an angle of 50 degrees what is the length of the base?

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Question 360703: if a triangle has two 8 cm sides and an angle of 50 degrees what is the length of the base?
Found 2 solutions by Alan3354, ewatrrr:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Is the 50º angle between the two 8 cm sides?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

Isosceles triangle with 8cm sides and base angles of 65° (180-50)/2

Diagonal drawn to the base forms a right triangle & bisects the base

let x represnet half of that base. 

cos 65° = adj/hyp = x/8cm

8*cos 65° = x

3.38 = x

Base is 6.76cm