Question

formula of area of square and perimeter of square

formula of area of rectangle and perimeter of rectangle

formula of area of circumference

formula of area of semicircle​

Answer 1

area of square =side²

perimeter=4×side

area of rectangle=l×b

perimeter=2(l+b)

area of circle=πr²
circumference=2πr
area of semicircle=πr²/2

Answer 2

area of square =side×side

perimeter of square =2(l+b)

area of rectangle=l×b

perimeter of rectangle=2(l+b)

cicumference of circle=2×pie×r