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# Properties of Geometric Shapes This document appears to be notes on the properties of different quadrilaterals, including parallelograms, rhombuses, rectangles, and squares. **Parallelogram:** * Opposite sides are parallel and equal in length. **Rhombus:** * All four sides are equal in length...

# Properties of Geometric Shapes This document appears to be notes on the properties of different quadrilaterals, including parallelograms, rhombuses, rectangles, and squares. **Parallelogram:** * Opposite sides are parallel and equal in length. **Rhombus:** * All four sides are equal in length. * Opposite sides are parallel. * Diagonals are perpendicular and bisect each other. **Rectangle:** * Opposite sides are parallel and equal in length. * All four angles are right angles ($90^\circ$). * Diagonals are equal in length and bisect each other. **Square:** * All four sides are equal in length. * Opposite sides are parallel. * All four angles are right angles ($90^\circ$). * Diagonals are equal in length, perpendicular, and bisect each other. **Isosceles Triangle:** * Two sides are equal in length. * Two angles opposite to the equal sides are equal. **Equilateral Triangle:** * All three sides are equal in length. * All three angles are equal to $60^\circ$. **Right Triangle:** * One angle is a right angle ($90^\circ$). **Isosceles Right Triangle:** * One angle is a right angle ($90^\circ$). * Two sides are equal in length. The document also contains some calculations and figures, likely related to the properties and relationships between sides and angles of these geometric shapes. Unfortunately, the handwritten nature of the document prevents a precise interpretation of the formulas and equations as they do not appear in LaTeX format.