100 Endgames You Must Know: Vital Lessons for Every Chess Player

100 Endgames You Must Know: Vital Lessons for Every Chess Player

Matematika tolong jawab dengan penjelasan​

tolong jawab dengan penjelasan​

Jawaban:

1.)

a.

Lp = 4 × πr²

Lp = 4 × 3,14 × 12 × 12

Lp = 1.808.64 cm³

V = 4/3 × πr³

V = 4/3 × 3,14 × 12 × 12 × 12

V = 7.234,56 cm²

2.)

b.

Lp = 4 × πr²

Lp = 4 × 3,14 × 5 × 5

Lp = 314 cm³

V = 4/3 × πr³

V = 4/3 × 3,14 × 5 × 5 × 5

V = 523,333 cm²