Answer :
Lp = 2πr( r + t )
Lp = 2 × 3,14 × 20 ( 20 + 30 )
Lp = 2 × 3,14 × 20 ( 50 )
Lp = 6,28 × 20 ( 50 )
Lp = 125,6 ( 50 )
Lp = 6.280 Cm^2
Req Intzly
Lp = 2πr × (r + t)
Lp = 2 × 3,14 × 20 × (20 + 30)
Lp = 2 × 62,8 × (20 + 30)
Lp = 2 × 62,8 × (50)
Lp = 2 × 3.140
Lp = 6.280 cm²
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Answer :
Lp = 2πr( r + t )
Lp = 2 × 3,14 × 20 ( 20 + 30 )
Lp = 2 × 3,14 × 20 ( 50 )
Lp = 6,28 × 20 ( 50 )
Lp = 125,6 ( 50 )
Lp = 6.280 Cm^2
Req Intzly
Lp = 2πr × (r + t)
Lp = 2 × 3,14 × 20 × (20 + 30)
Lp = 2 × 62,8 × (20 + 30)
Lp = 2 × 62,8 × (50)
Lp = 2 × 3.140
Lp = 6.280 cm²