#### Topic Content:

- Parallelograms
- Rhombus
- Rectangle
- Kite
- Square

### 1. Parallelogram:

This is a quadrilateral which has both pairs of opposite sides parallel.

### Properties of Parallelogram:

- The opposite sides are parallel
- The opposite sides are equal |AD| = |BC|, |AB| = |DC|
- The opposite angles are equal Y
_{2}= Y_{1}, X_{2}= X_{1} - The diagonals bisectBisect means dividing into two equal parts. It means to divide a geometric figure such as a line, an angle or any other shape into two congruent parts (or two parts... More one another

### 2. Rhombus:

### Properties of Rhombus:

- All four sides are equal
- The opposite sides are parallel
- The opposite angles are equal (âˆ S = âˆ Q, âˆ P = âˆ R)
- The diagonals bisect the angles
- Adjacent angles are supplementary (e.g., âˆ S + âˆ R = 180Â°).

### 3. Rectangle:

### Properties of Rectangle:

- All of the properties of a parallelogram are found
- All four angles are right angles
- The diagonals are equal

### Kite:

### Properties of a Kite:

- Diagonals bisect at right angles
- Only one pair of opposite angles is equal
- Each pair of adjacent sides is equal

### Square :

### Properties of a Square:

- All of the properties of a rhombus are found
- All four angles are right angles
- The diagonals are equal

### Example 3.1.1:

RSTUV is a regular pentagon. Find the angle of RUV.

**Solution:**

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Detail explanation with enough examples