Question

What is the formula for the following.
Area of rhombus,permiter of a circle,permiter of a triangle...

Answer 1

Area of rhombus= 1/2xd1xd2

Perimeter of circle =

$2\pi \: r$

Perimeter of triangle= sum of all sides of a triangle

Answer 2

hi,

here goes ur answer

Area of a rhombus :1/2×d1×d2

(Bro it's not perimetre but it is circumference of a circle )

Circumference of a circle : 2(pie)r2

Perimetre of a triangle : 1/2 × side 1+ side 2 + side 3