Question

formula of area and perimeter of square,triangle,rectangle,parallelogram,trapezium​

Answer 1

Answer:

area of square

side * side

area of rectangle

l*b

perimeter of square

4* side

perimeter of rectangle

2*(l+b)

Answer 2

Step-by-step explanation:

AREA

• square - side*side
• triangle - 1/2*b*h
• rectangle - l*b
• parallelogram - b*h

PERIMETER

• square - 4*side
• triangle - sum of all of its sides
• rectangle - 2(l+b)