Math, asked by Unknown0222, 3 days ago

What is the angle at a center of a circle if the subtending chord is equal to two thirds of the radius?
a. 39.95deg
b. 38.94deg
c. 37.93deg
d. 36.92deg

Answers

Answered by harivatsshakya

0

Answer:

Given: A circle with center O.

AB and CD are equal chords of the circle.

Proof:In △AOB and △DOC

AO=OD (radius)

AB=CD (given)

OB=OC(radius)

∴△AOB≅△DOC by SSS rule

∴∠AOB=∠DOC by CPCT

Hence proved.

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