Question

perimeter of rectangular sheet 100 CM if the length is 35 cm find its breadth also find its area

Answer 1

Answer:

$Breadth \: of \:the \:sheet=15\:cm \\Area = 525\:cm^{2}$

Step-by-step explanation:

Dimensions of the rectangular sheet:

Let length = l cm

breadth = b cm

l = 35 cm ( given )

$i)Perimeter = 100\:cm$

$\implies 2(l+b)=100$

$\implies 2(35+b)=100$

$\implies 35+b=\frac{100}{2}$

$\implies 35+b=50$

$\implies b = 50-35=15\:cm$

$ii) Area (A)= l \times b$

$= 35\:cm \times 15\:cm$

$= 525 \:cm^{2}$

Therefore,

$Breadth \: of \:the \:sheet=15\:cm \\Area = 525\:cm^{2}$

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Answer 2

Breadth is 15 cm and the area of the sheet is 525 cm^2.

Step-by-step explanation:

Given,

The perimeter of the rectangular sheet = 100 cm

length of the sheet = 35 cm

To find,

The breadth of the sheet = ?

Area of the sheet = ?

As we know,

The perimeter of a rectangle = 2(l + b)

⇒ 100 cm = 2(35 + b)

⇒ b = 100/2 - 35

⇒ b = 15 cm

After getting the breadth, we can find;

area of the rectangular sheet = l * b

= 35 * 15

= 525cm^2.

Therefore, the breadth of the sheet is 15 cm and the area of the sheet is 525 cm^2

Learn more: find the area of the rectangle

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