Can you explain the properties of an isosceles triangle and how to calculate the angles when given only the lengths of the sides?
Answer 1
April Perkins
An isosceles triangle has two equal sides and two equal angles opposite those sides. To find the angles, use the Law of Cosines: cos(C) = (a^2 + b^2 – c^2) / (2ab), where a and b are the equal sides. Then, use the Law of Sines or basic trigonometry to find the other angles.
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