Question

i want to know all formulas of area

Answer 1

Area of the following:-
Rectangle=length*breadth
Square=side*side
Parlelogram=base*height
Trapizium=1/2*(sum of parallel sides)
Circle=pie r^2


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Answer 2

Formulae of area are :
$\pi \: {r}^{2} \: \: - area \: ofcircle$
$length \times breadth - area \: of \: rectangle$
${side}^{2} - area \: of \: square$
Cuboid:-
Curved surface area - 2(l+b)h
Total surface area - 2(lb+bh+lh)
Cube:-
Curved surface area - 4* side * side
Total surface area - 6*side *side
Cylinder -
Curved surface area -
$2\pi \: rh$
Total surface area -
$2\pi \: r \: \:(r + h)$
Sphere- 4pie r*r
Hemisphere : csa - 2pie r*r
Tsa - 3 pie r*r

Cone :+ csa - pie*r*l
Tsa - pie *r(r+l)