Question

The circumference of a circular garden is 66m. find its diameter​

Answer 1

Answer:

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Answer 2

Answer:

Given :-

• The circumference of a circular garden is 66 m.

To Find :-

• What is the diameter of a circular garden.

Formula Used :-

❶ To find radius we know that,

${\red{\boxed{\large{\bold{Circumference =\: 2{\pi}r}}}}}$

❷ To find diameter we know that,

${\red{\boxed{\large{\bold{Diameter =\: 2 \times r}}}}}$

where,

• r = Radius

Solution :-

❶ First we have to find the radius,

Given :

• Circumference = 66 m

According to the question by using the formula we get,

⇒ $\sf 2 \times \dfrac{22}{7} \times r =\: 66$

⇒ $\sf r =\: \dfrac{66 \times 7}{2 \times 22}$

⇒ $\sf r =\: \dfrac{\cancel{462}}{\cancel{44}}$

➠ $\sf\bold{\green{r =\: 10.5\: m}}$

Hence, the radius of a circular garden is 10.5 m.

❷ Now we have to find the diameter,

Given :

• Radius = 10.5 m

According to the question by using the formula we get,

↦ $\sf Diameter =\: 2 \times 10.5$

➦ $\sf\bold{\purple{Diameter =\: 21\: m}}$

$\therefore$ The diameter of a circular garden is 21 m .