The perimeter of a rectangle is equal to 24 . If the length is halved and the width is tripled, the new perimeter is increased by 8 . What is the length of the original rectangle?
Answers
Answered by
5
LET LENGHT BE X
AND BREATH BE Y
ATQ
2(L+B)=24
L+B=12-(1)
ANOUTHER EQ.
2(L/2+3B)=24+8
2(L+6B/2)=32
L+6B=32-(2)
sub.(1)by (2)
L+6B-L-B=32-12
5B=20
B=4
SO ,BREATH IS 4
THEN,LENGHT IS 8.
AND BREATH BE Y
ATQ
2(L+B)=24
L+B=12-(1)
ANOUTHER EQ.
2(L/2+3B)=24+8
2(L+6B/2)=32
L+6B=32-(2)
sub.(1)by (2)
L+6B-L-B=32-12
5B=20
B=4
SO ,BREATH IS 4
THEN,LENGHT IS 8.
Similar questions