Question

the radius of a circle is 13cm and length of one of its chord is 24 cm find the distance of the chord from the centre​

Answer 1

Step-by-step explanation:

Dist. of half chord=24/2=12cm(since line drawn perpendicular to chords for the centre bisect the chord)

A right angled triangle is made;

By using Pythagoras Theorem:

(13)^2=(12)^2+x^2 (let dist between chord and centre=x)

169=144+x^2

x^2=169-144

x^2=25

x= √25=5cm

Answer 2

Answer:

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Step-by-step explanation:

The radius of the circle is 13cm and length of one chords is 10 cm .find the distance of the chord from the centre. -

A right angled triangle is made;

By using Pythagoras Theorem:

(13)^2=(12)^2+x^2 (let dist between chord and centre=x)

169=144+x^2

x^2=169-144

x^2=25

x= √25=5cm