Question

If the radius is 4.5 cm, the diameter is​

Answer 1

Step-by-step explanation:

diameter = radius × 2

= 4.5 cm × 2

= 9cm

Answer 2

Given :-

• Radius = 4.5 cm

To find :-

• Diameter

Solution :-

Formula to find diameter :-

• Diameter = 2r

Where,

r = radius of circle

Put the given value.

⇛ 2 × 4.5

⇛ 9

Diameter = 9 cm

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Know more :-

Some related formulae -

• Area of circle = $\sf{\pi r^2}$
• Circumference = 2$\sf{\pi r}$
• Radius = Diameter/2