Question

*शुभानी को 20 सेमी x 15 सेमी लंबाई-चौड़ाई वाले तकिये के कवर के लिए कितना फीता चाहिए?* 1️⃣ 70 सेमी 2️⃣ 45 सेमी 3️⃣ 23 सेमी 4️⃣ 28 सेमी​

Answer 1

Answer:

The Correct Answer is 70cm

Marked the answer Brainleist

Answer 2

Given:

शुभानी को 20 सेमी x 15 सेमी लंबाई-चौड़ाई वाले तकिये के कवर के लिए कितना फीता चाहिए?

How much lace does Ms Shubhani need to edge a pillow cover with dimensions 20 cm x 15 cm?

To find:

How much lace does Ms Shubhani need?

Solution:

The dimensions of the pillow cover:

Length, l = 20 cm

Breadth, b = 15 cm

To know the required length of the lace covering the edge of the pillow, we would have to find the perimeter of the given pillow.

We know,

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

Now,

The required length of the lace is,

= Perimeter of the pillow

= $2 [l + b]$

= $2 [20 + 15]$

 = $2 \times 35$

 = $\bold{70\:cm}$

 

Thus, Ms. Shubhani needs 70 cm of the lace to complete the edge of the pillow cover.

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Merin wants to put lace around her square handkerchief of side 11cm, Find the length of the lace she needs to buy?

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Mary wants to stitch lace along the edges of a handkerchief. Each handkerchief is in the shape of a square of side 40 cm. How much lace should she purchase to stitch lace along the edges of 8 handkerchiefs without any wastage? How much money should she pay to the shopkeeper if lace is available at 25 per m?

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