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Grade 4 Quarter 4 - Week 4 (Math)
Simplyfying the Area of Geometry

Area of Square = s²
Area of a Rectangle = (LxH)
Area of a Pallareogram (LxH)
Area of a Triangle = ½ x b x h
Area of a Trapezoid = (b1+b2) (½) (h)
Area of a circle = πr²
Circunfruence of a circle = (2) (π) (r)
Diameter of a Circle = (2) (π) (d)​

Sagot :

1. **Area of a Square**: \( s^2 \)

- Here, \( s \) represents the length of a side of the square.

2. **Area of a Rectangle**: \( L \times W \)

- Here, \( L \) is the length and \( W \) is the width of the rectangle.

3. **Area of a Parallelogram**: \( B \times H \)

- Here, \( B \) is the base and \( H \) is the height of the parallelogram.

4. **Area of a Triangle**: \( \frac{1}{2} \times b \times h \)

- Here, \( b \) is the base and \( h \) is the height of the triangle.

5. **Area of a Trapezoid**: \( \frac{1}{2} \times (b_1 + b_2) \times h \)

- Here, \( b_1 \) and \( b_2 \) are the lengths of the two parallel sides (bases) of the trapezoid, and \( h \) is the height.

6. **Area of a Circle**: \( \pi r^2 \)

- Here, \( r \) is the radius of the circle.

7. **Circumference of a Circle**: \( 2 \pi r \)

- Again, \( r \) is the radius of the circle.

8. **Diameter of a Circle**: \( 2 \pi r \)

- Here, \( d \) represents the diameter of the circle, which is twice the radius \( r \).