Question

write the formula of area,perimeter of a rectangle and a square and also area of a triangle ​

Answer 1

area

rectangle =lb

square =s^2

triangle =1/2×bh

perimeter

rectangle =2(l+b)

square =4s

Answer 2

Answer:

Perimeter of rectangle=2*(length+breadth)

Perimeter of square =4*side

Area of rectangle=length*breadth

Area of square =side *side

And area of triangle=half *base *height