Question

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3. A rectangular sheet of paper is 5 /23 cm long and 1/5 cm wide. Find its perimeter.

Answer 1

$\huge\boxed{\underline{\bf { \red S \green O \pink L \blue U \orange T \purple I \red O \pink N \green{..}}}}$

→ Length of sheet = 5/23 cm

→ Breadth of sheet = 1/5 cm

$\large \red \bigstar \: \boxed{ \green{\bf Perimeter = 2(L+B)}}$

$\longmapsto\sf Perimeter = 2 \bigg( \frac{5}{23} + \frac{1}{5} \bigg)$

$\longmapsto\sf Perimeter = 2 \bigg( \frac{25 + 23}{115} \bigg)$

$\longmapsto\sf Perimeter = 2 \bigg( \frac{48}{115} \bigg)$

$\longmapsto\sf Perimeter =\frac{96}{115} \: cm$

Answer 2

Answer:

$\frac{96}{115} {cm}^{2}$

Step-by-step explanation:

Given,

Length of a rectangular sheet of paper = 5/23 cm

Width of the rectangular sheet of paper = 1/5 cm

Therefore,

Perimeter of the rectangular sheet = 2( l + b)

$= 2( \frac{5}{23} + \frac{1}{5} ) {cm}^{2}$

$= 2( \frac{25 + 23}{115} ) {cm}^{2}$

$= 2( \frac{48}{115} ) {cm}^{2}$

$= 2 \times \frac{48}{115} {cm}^{2}$

$= \frac{96}{115} {cm}^{2}$

Hence,

The perimeter of the rectangular sheet is 96/115 sq. cm (Ans)