Question

find the perimeter of a rectangle whose length is 2.2cm and breadth is 1.8cm​

Answer 1

★ Concept ★

Here in this question, concept of perimeter of rectangle is used where we have given its length and breadth as 2.2cm and 1.8cm respectively. We can find the perimeter of rectangle by applying it's formula.

So let's start!

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★ Given ★

• Length of rectangle=2.2cm

• Breadth of rectangle=1.8cm

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★ To Find ★

• Perimeter of rectangle

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★ Formula used ★

Perimeter of rectangle=2(L+B)

Where:-

• L refers to length

• B refers to breadth

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★ Solution ★

Perimeter of rectangle=2(L+B)

Perimeter of rectangle=2(2.2cm+1.8cm)

Perimeter of rectangle=2(4cm)

Perimeter of rectangle=2×4cm

Perimeter of rectangle=8cm

∵ The required perimeter of rectangle is 8cm.

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★ More to know ★

Rectangle→ A rectangle is a form of quadrilateral in which opposite sides are equal and parellel.

Properties of rectangle:-

• Opposite sides are equal.

• Opposite sides are parellel.

• Each angle of rectangle is of 90°

• Diagonals of rectangle are equal in length.

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Rectangle:

$\setlength{\unitlength}{1cm}\begin{picture}(0,0)\thicklines\multiput(0,0)(5,0){2}{\line(0,1){3}}\multiput(0,0)(0,3){2}{\line(1,0){5}}\put(0.03,0.02){\framebox(0.25,0.25)}\put(0.03,2.75){\framebox(0.25,0.25)}\put(4.74,2.75){\framebox(0.25,0.25)}\put(4.74,0.02){\framebox(0.25,0.25)}\put(-0.5,-0.4){\bf A}\put(-0.5,3.2){\bf D}\put(5.3,-0.4){\bf B}\put(5.3,3.2){\bf C}\end{picture}$

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