Question

Find the value of each of the following by using the square root table :

$\sqrt{13.32}$
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Answer 1

Answer:

$\large\sf\fbox\pink{☯ANSWER:-⤵}$

$\sqrt{13.32} = \sqrt{ \frac{1332}{100} }$

$= \frac{ \sqrt{1332} }{ \sqrt{100} }$

$= \frac{ \sqrt{ {2}^{2} \times {3}^{2} \times 37 } }{ \sqrt{ {10}^{2} } }$

$= \frac{2 \times 3 \times \sqrt{37} }{ \sqrt{10} }$

$= \frac{6 \sqrt{37} }{10}$

$= \frac{6 \times 6.083}{10} = 3.6498$

.

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$\small\sf\fbox\green{[Using table:} \sqrt{37} = 6.083 \: ]$

Answer 2

Step-by-step explanation:

Let the radius of the base of the cylinder be rcm, height h=14cm

Curved surface area =88cm

2

⇒ 2πrh=88

⇒ 2×

7

22

×r×14=88

⇒ r=

2×22×14

88×7

⇒ r=1

⇒ 2r=2

Hence, diameter of the base is 2.