Math, asked by bhavsarnitin552, 3 months ago

Distance of chord PQ from the centre of a circle is 30 cm. Length of the chord PQis 32 cm. Find the diameter of the circle.​

Answers

Answered by sushantpal005
2

Radius of a circle is 5cm

therefore OA= 5cm

perpendicular drawn to the chord from the centre bisects the chord

therefore AM=MB

triangle OMA is right angled triangle at M

∠OMA=90

by apply pythogoras theorm

OA

2

=OM

2

+MA

2

MA=

OA

2

−OM

2

MA=

5

2

−3

2

MA=

16

MA=4

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