An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle.
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It takes me three times......
Use Pythagoreans theorem
Calculate the area of a triangle between three points
find radius of cone
y equals x divided by 2
Side of an equilateral triangle
Side of a rhombus
Is this triangle right-angled?
Length of a short side
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