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Answer 1

$\underline{ \tt \huge \color{red}Answer}$

if two circles A and B are congruence which is shown in The future, then what will be the radius of circle A?

Step-by-step explanation:

Let us consider a circle with center O and two equal chords of a circle AB and CD.

We need to prove that ∠AOB=∠COD

In △ AOB and COD, we have

AO=CO (Radius of the circle)

BO=DO (Radius of the circle)

AB=CD (Equal chords)

By SAS criterion of congruence, we have

△AOB≅△COD

⇒∠AOB=∠COD

Answer 2

Answer:

$\underline{ \tt \huge \color{red} Answer}$

if two circles A and B are congruence which is shown in The future, then what will be the radius of circle A?

Step-by-step explanation:

Let us consider a circle with center O and two equal chords of a circle AB and CD.

We need to prove that ∠AOB=∠COD

In △ AOB and COD, we have

AO=CO (Radius of the circle)

BO=DO (Radius of the circle)

AB=CD (Equal chords)

By SAS criterion of congruence, we have

△AOB≅△COD

⇒∠AOB=∠COD

Step-by-step explanation:

hope it helps you