Question

find the radius and diameter of a circle if the circumference of the circle is given as 1400.44cm

Answer 1

Answer:

Radius =222.85 cm and Diameter =445.716 cm

Step-by-step explanation:

According to the information provided in the question it is given as

Circumference of circle = 1400.44 cm

We need to find the radius and diameter of circle

The circumference of a circle is defined as the linear distance around it. In other words, if a circle is opened to form a straight line,

Here circumference =1400.44 cm

Putting the formula

$C =2\pi r$

Putting the values

$1400.44 =2\times \frac{22}{7} \times r$

$1400.44 =6.284r$

$r =\frac{1400.44}{6.284} \\r =222.85 cm$

Now

Diameter = 2 r

$D = 2\times 222.858$

$D = 445.716 cm$

Hence Radius =222.85 cm and Diameter =445.716 cm

           

Answer 2

Question:-

Find the radius and diameter of a circle, if the circumference of the circle is given as 1400.44 cm. (Take π = 3.14).

Given:-

• Circumference of a circle = 1400.44 cm.

To Find:-

• The radius and diameter of a circle.

Solution:-

Let, the radius of circle be = r.

Circumference of a circle = 2 × π × radius of circle.

⇒ C = 2 × π × r

⇒ 2 × 3.14 × r = 1400.44 cm

⇒ 6.28 × r = 1400.44 cm

⇒ r = $\sf \large \frac{1400.44}{6.28}$cm

⇒ r = 223 cm.

Hence, the radius of the circle is 223 cm.

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Further, diameter of the circle, d = 2 × radius

⇒ d = 2 × r

⇒ d = (2 × 233) cm

⇒ d = 446 cm.

Hence, the diameter of the circle is 446 cm.

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Answer:-

${ \boxed{ \sf \large \color{red}radius = 223 \: cm.}} \\ \\ { \boxed{ \sf \large \blue{diameter = 446 \: cm.}}}$

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Hope you have satisfied. ⚘