Question

the length of a rectangle is 7/5 of its breadth. if it's perimetre is 48 cm, then what is its length?​

Answer 1

Answer:

Answer is 14cm

Step-by-step explanation:

$l=\frac{7}{5} b$

Perimeter of rectangle is $P=2(l+b)$

Substitute the values ,

$48=2(\frac{7}{5}b+b )\\48=\frac{24}{5} b\\b=10$

So, put the value of b in l

Therefore,

$l=14cm$