A rectangle has 30 cm as its length and 720 sq cm as its area. Its area is increased to 11/4 times its original area by increasing only its length. Its new perimeter is

A rectangle has 30 cm as its length and 720 sq cm as its area. Its are

1.	A rectangle has 30 cm as its length and 720 sq cm as its area. Its area is increased to 1¹/₄ times its original area by increasing only its length. Its new perimeter is
A.	123 cm
B.	125 cm
C.	119 cm
D.	121 cm
E.	None of the above
Answer» B. 125 cm

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A rectangle has 30 cm as its length and 720 sq cm as its area. Its area is increased to 11/4 times its original area by increasing only its length. Its new perimeter is

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A rectangle has 30 cm as its length and 720 sq cm as its area. Its area is increased to 1¹/₄ times its original area by increasing only its length. Its new perimeter is