Question

The perimeter of rectangle is 13cm and its
width is 2 3/4 Find its
length

Answer 1

$\huge\boxed{\mathtt\green{Solution\::-}}$

$\large\underline\mathbf\blue{Given :-}$

$\small\mathbf{•\: Perimeter\:of\: rectangle=13cm}$

$\small\mathbf{•\: Width\:of\: rectangle=2\frac{3}{4}cm}$

$\large\underline\mathbf\blue{To\:Find\: :-}$

$\small\mathbf{•\:Length\:of\: rectangle}$

$\large\underline\mathbf\red{Solving\: :-}$

$\small\mathbf{•\:First,\: converting\:mixed\:into}\\{\mathbf{proper\: fraction}}$

$\small\implies\mathbf{2\frac{3}{4}cm=\frac{11}{4}cm}$

$\small\mathbf{We\:know\:that,}$

$\small\mathbf\purple{†\: perimeter\: of\: rectangle=2[length+breadth]}$

$\small\underline\mathbf{Finally,\: putting\:all\: the\: values:-}$

$\small\implies\mathbf{13 =2[length+\frac{11}{4}]}$

$\small\implies\mathbf{\frac{13}{2}=length+\frac{11}{4}}$

$\small\implies\mathbf{Length=\frac{13}{2}-\frac{11}{4}}$

$\small\implies\mathbf{Length=\frac{15}{4}cm}$

$\large\boxed{\mathfrak\green{∴Length\:of\:the\: rectangle=3\frac{3}{4}cm}}$

Answer 2

Answer:

13 length

Step-by-step explanation: