Math, asked by ws28835p40huq, 1 year ago

the length of the AB arc in the adjacent figure is

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Answers

Answered by mihir94

0

Answer:

AB =21 cm

Step-by-step explanation:

OA =OB

21cm=21cm

angleA +angleB+60degree =180

2angleA=180-60

angleA=120/2

angleA=60

thus this triangle is equilateral triangle

AB=OA=OB

AB=21xm

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