is it possible to draw a rectangle with perimeter 48cm and area 150sqcm2?why
Answers
Answered by
4
since
2(l+b)=48 cm,
l+b=24 cm,
also
l×b=150 cm,
(l-b)²=(l+b)²-4lb,
(l-b)²=24²-4×150,
(l-b)²=576-600,
(l-b)²=-24,
then
(l-b)=√(-24),
l-b=4×6i,
where i is an imaginary number, then it is not possible but if the perimeter is 50 cm then we can draw the rectangle.....
2(l+b)=48 cm,
l+b=24 cm,
also
l×b=150 cm,
(l-b)²=(l+b)²-4lb,
(l-b)²=24²-4×150,
(l-b)²=576-600,
(l-b)²=-24,
then
(l-b)=√(-24),
l-b=4×6i,
where i is an imaginary number, then it is not possible but if the perimeter is 50 cm then we can draw the rectangle.....
abhinavshaji:
be a short answer there
Similar questions