Question

What is the radius and diameter of the following circle? 16 cm

Answer 1

Answer:

If the 16 cm is the diameter then the radius is 8 cm

Step-by-step explanation:

As diameter of a circle is double the radius (see figure below)

enter image source here

the radius of a circle of diameter

16

centimeters is

16

2

=

8

centimeters.

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Answer 2

${\red{\underline{\underline{\bold{Given:-}}}}}$

• Diameter of circle = 16cm

${\blue{\underline{\underline{\bold{To\:Find:-}}}}}$

• Radius of circle

${\green{\underline{\underline{\bold{Solution:-}}}}}$

Diameter of circle = 16cm

Radius of circle =

$\frac{Diameter}{2} \\ \\</p><p></p><p>= \frac{16}{2} \\ \\</p><p></p><p>= 8cm$

_______________

Formula used :-

• Radius = $\frac{Diameter}{2}$

_______________

Formulas related to circle:-

• Diameter of circle = 2(Radius)

• Circumference of circle = 2πr

• Area of circle = π${r}^{2}$

• Volume of sphere =$\frac{4}{3}$ πr³.