Luas Permukaan Tabung
2πr ( r + t )
2 × 22/7 × 14 ( 14 + 20 )
2 × 22 × 2 ( 34 )
44 × 2 ( 34 )
88 ( 34 )
2.992 cm²
Jawaban:
Dik :
• R = 14 Cm
• T = 20 Cm
Dit :
• Luas Permukaan Tabung ?
Jawab :
• LP = 2 × π × R × ( R + T )
• LP = 2 × 22/7 × 14 × ( 14 + 20 )
• LP = 2 × 22 × 2 × 34
• LP = ( 2 × 22 ) × 2 × 34
• LP = 44 × 2 × 34
• LP = 88 × 34
• LP = 2.992 Cm²
Jadi, Luas Permukaan Tabung Tersebut Adalah 2.992 Cm².
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Luas Permukaan Tabung
2πr ( r + t )
2 × 22/7 × 14 ( 14 + 20 )
2 × 22 × 2 ( 34 )
44 × 2 ( 34 )
88 ( 34 )
2.992 cm²
Jawaban:
Penyelesaian :
Dik :
• R = 14 Cm
• T = 20 Cm
Dit :
• Luas Permukaan Tabung ?
Jawab :
• LP = 2 × π × R × ( R + T )
• LP = 2 × 22/7 × 14 × ( 14 + 20 )
• LP = 2 × 22 × 2 × 34
• LP = ( 2 × 22 ) × 2 × 34
• LP = 44 × 2 × 34
• LP = 88 × 34
• LP = 2.992 Cm²
Jadi, Luas Permukaan Tabung Tersebut Adalah 2.992 Cm².