SOLUTION: To whom may it concern, I have difficulty to do this question. An isosceles triangle has a vertical angle of 108� and a base 20 cm long. Calculate its altitude. Please

SOLUTION: To whom may it concern, I have difficulty to do this question. An isosceles triangle has a vertical angle of 108� and a base 20 cm long. Calculate its altitude. Please

Algebra.Com

Question 60852: To whom may it concern,

I have difficulty to do this question.
An isosceles triangle has a vertical angle of 108� and a base 20 cm long. Calculate its altitude.
Please help and thank you.
CH Lam
Answer by jai_kos(139) (Show Source): You can put this solution on YOUR website!
The altitude = base * sin (vertex angle)
Base = 20,
Vertex angle = 1080
The altitude = 20 * 108 = 2160cm

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