Question

Perimeter of rectangle is 13cm and its breadth is 11/4cm. Find the length of reactangle

Answer 1

Answer:

Primeter of rect =

$2(l + b)$

$13 = 2(l + \frac{11}{4}) \\ 13 = 2l + \frac{11}{2} \\ 13 \times 2 = 4l + 11 \\26 - 11 = 4l \\ \frac{15}{4} = l$