Question

If the diameter of a circle is 6.8cm, find its radius.

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Answer 1

$\bold{ \underline{ \underline \blue{Given:}}}$

✵ Diameter of a circle = 6.8 cm

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

✵ Radius of the circle

$\bold{ \underline{ \underline \blue{Solution:}}}$

✵  As we know that ,

Diameter = 2 × Radius

$\sf Radius = \dfrac{Diameter}{2}$

✵ Let's find out !

$\sf \implies Radius = \dfrac{6.8}{2} \; cm$

$\sf \implies Radius = 3.4 \; cm$

∴ Radius of the circle is 3.4 cm

$\bold{ \underline{ \underline \blue{More\;about\;circle:}}}$

❶  Circumference = 2πr

❷ Diameter = 2 ×  Radius

❸ Area of a Circle = πr²

________

All Done ! :D