anna4060
anna4060
18.05.2021 • 
Mathematics

Suppose an isosceles triangle abc has a=pi/4 and b=3=c. What is the length of a^2? A. 3^2 (2 - sqrt2)
B. 3^2 (sqrt2 - 2)
C. 3^2 (2 + sqrt2)
D. 3^2 sqrt2

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