Question

the perimeter of a rectangle is 16m what will be the breadth of the rectangle if the length is 4.5 metre?​

Answer 1

Answer:

3.5 metres

Step-by-step explanation:

$perimeter = 2(l + b) \\ \\16 = 2(4.5 + b) \\ \\ \frac{16}{2} = 4.5 + b \\ \\ 8 - 4.5 = b \\ \\ b = 3.5$

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Answer 2

Answer:

The breadth is 3.5 m.

Step-by-step explanation:

Solution$:$

Perimeter = 16 m

Length = 4.5 m

Let the -

• Breadth as y

★ Perimeter = 2(Length + Breadth)

⇒ 16 = 2(4.5 + y)

⇒ 16 = 9 + 2y

⇒ 2y = 16 - 9

⇒ 2y = 7

⇒ y = 7/2

⇒ y = 3.5

Breadth = 3.5 m

The breadth is 3.5 m.

★ Verification:

⇒ 2(4.5 + 3.5)

⇒ 9 + 7

⇒ 16 m

Therefore, the breadth is 3.5 m.