Question

what is the formula of area​

Answer 1

Answer:

it depends upon the figure .

Like for a trapezium its 1/2 x (sum of parallel sides ) x height

Answer 2

Answer:

which are you want if,

are of square then=side *side

area of rectangle =2(L+B)

area of circle is =

$\pi \: {r}^{2}$