![]() ![]() Here, θ is the central angle in radians and r = radius Where, a and b are the sides of a parallelogram Where, a, b, and c are the sides of a triangle. Pythagoras Theorem: base 2 + height 2 = hypotenuse 2 The formula table depicts the 2D geometry formulas and 3D geometry formulas. Total surface area of a cone = πr(r+l) = πr. ![]()
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