AP TET Paper 2 Math and Science Model Paper 2 (తెలుగు)

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Question : 103 of 150

Marks: +1, -0

వృత్తాకార కంకణ వైశాల్యం?

$π(R+r)$
$π(R-r)$
$π(R+r)(R-r)$
$π/2(R+r)(R-r)$

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