Question

THE AREA OF A RECTANGULAR HALL IS 96 SQ. M. IF IT'S LENGHT IS 12CM , FIND IT'S BREADTH

Answer 1

$Perimeter \: of \: Rectangle \\ = 2(l+b)$

$= 2(12 + 8)$

$= 2(20)$

$= 40 \: cm$

$Semicircle \: of \: triangle \\ = \frac{40}{2} \\ = 20 \: cm$

$Breadth = 20 \: cm$

Answer 2

Answer:

Breadth

$= \frac{40}{2} = 20cm.$