Question

*ऋषि ने 4 सेमी और 5 सेमी मापने वाला एक बुकमार्क खरीदा। बुकमार्क का परिमाप क्या है?* 1️⃣ 15 सेमी 2️⃣ 28 सेमी 3️⃣ 18 सेमी 4️⃣ 14 सेमी​

Answer 1

Answer:

18 सेमी सही उत्तर है

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Answer 2

Given:

ऋषि ने 4 सेमी और 5 सेमी मापने वाला एक बुकमार्क खरीदा। बुकमार्क का परिमाप क्या है?

To find:

बुकमार्क का परिमाप क्या है?

Solution:

The dimensions of the bookmark bought by Rishi:

Length, L = 5 cm

Breadth, B = 4 cm

We know,

$\boxed{\bold{Perimeter \:of\:a\:rectangle = 2[length + breadth]}}$

By using the above formula, we get

The perimeter of the rectangular-shaped bookmark is,

= $2(L + B)$

= $2(5 + 4)$

= $2\times 9$

= $\bold{18\:cm}$

Thus, the perimeter of the bookmark is → 18 cm.

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