Question

A chord of a circle is equal to the radius of the circle.Find the angle subtended by the chord at a

point on the minor arc.​

Answer 1

Answer:

Step-by-step explanation:

Hi dude,,,,,

Here in the given figure,

Chord AB is equal to the radius OA of the circle

Therefore OA = AB = OB

OAB is an equilateral triangle

Angle O = A = B = 60 degree

If AOB is 60 then ADB is 30 degree.

( The angle subtended at any point of the circle is half the angle subtended at the centre )

ABCD is a CYCLIC QUADRILATERAL.

Therefore sum of opposite angle is supplementary.

Angle ACB = 180 - 30

= 150 degree

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