Question

The longest chord of a circle is 18 cm. Find the radius of the circle. (with steps)

Answer 1

radius is 9cm because the longest chord of a circle is called its diameter......if the diameter is 18cm then radius is 9cm....hope it helps u. ....MARKS AS BRAINLIEST! ☆ ☆ ✌ ✌ ❤ ❤

Answer 2

hey there!

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As we know that,

•Longest Chord of a circle is known as Diameter.

•Diameter = 2× Radius......1)

here,

Diameter is given I.e. 18 cm


By substituting the value of diameter in 1st eqn we get,


18cm = 2× Radius


•Radius= 18/2=9cm


Hence ,

[radius = 9cm]

Thanks