Question

44. The length of a rectangle is 7 by 5 of its
breadth. If its perimeter is 48 cm, then what
is its length?
(B) 70 cm
(A) 140 cm
( 14 cm
(D) 10 cm​

Answer 1

Answer:

10 cm

Step-by-step explanation:

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Answer 2

Answer:

ans is 20

Step-by-step explanation:

let the breadth be X

then,A/Q LENGTH BE 7/5X

Now solve X,

perimeter of rectangle = 2(X + 7/5X)

therefore,

2X + 7/5X = 48

17/5X = 48

X = 48 × 5/17

X = 20