Question

*एका आयताची परिमिती 20 सेमी असून जर लांबी 6 सेमी असेल तर रुंदी किती ?*

1️⃣ 4 सेमी
2️⃣ 6 सेमी
3️⃣ 10 सेमी
4️⃣ 14 सेमी​

Answer 1

Given:

एका आयताची परिमिती 20 सेमी असून जर लांबी 6 सेमी असेल

If the perimeter of a rectangle is 20 cm and the length is 6 cm

To find:

तर रुंदी किती?

What is the width?

Solution:

We know that the formula of the perimeter of a rectangle is as follows:

$\boxed{\bold{Perimeter \:of\:a\:rectangle = 2 (length + width)}}$

The length of the rectangle = 6 cm

The perimeter of the rectangle = 20 cm

Therefore, based on the formula above, we get

$20 = 2(6 + width)$

on dividing both sides by 2

$\implies 10 = 6 +width$

$\implies width = 10 - 6$

$\implies \bold{width = 4 \:cm}$

Thus, the width of the rectangle is → 4 cm.

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