20 Keys to Happiness: Real life tips for happiness

20 Keys to Happiness: Real life tips for happiness

Matematika Soal ada di gambar...​

Soal ada di gambar...​

jari jari

= D ÷ 2

= 28 ÷ 2

= 14 cm

tinggi

= kedalaman

= 42 cm

volume

= πr²t

= 22/7 x 14 x 14 x 42

= 22 x 2 x 14 x 42

= 44 x 14 x 42

= 616 x 42

= 25.872³

volume air 25.872 cm³

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