BASIC SHAPES

   FORMULAS 

   FOR BASIC SHAPES

1. Rectangle

Perimeter: 2L + 2W

Area: L x W

2. Square

Perimeter: s+s+s+s

Area: s x s

3. Parallelogram

Perimeter: a + a + b + b = 2 × a + 2 × b 

Area: b × h

4. Rhombus

Perimeter: b + b + b + b = 4 × b 

Area: b × h

5. Triangle

Perimeter:  a + b + c

Area: (b x h) / 2

6. Trapezoid

Perimeter:  a + b + c + d

Area: 

7. Circle

Perimeter:  2 × pi × r or Perimeter = pi × d
Area: pi × r² or Area = (pi × d²)/4

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