Geometric Shapes Among Quadrilaterals: Concepts and Equations

2 years ago
2

Areas
Squares = a x a
Rectangles = w x l
Parallelogram = w x l
Triangle = b x h ÷ 2
Trapezoid = h(a + b) ÷ 2

Special Shapes
(1) Isosceles Right Triangles - Two congruent legs, base angles 45°

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