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L lingkaran. πr² = 22/7 x 10,5 x 10,5 = 346,5
jadi jawabnya 346,5 trims
24. A
Luas layang layang = 1/2 x D1 x D2 = 1/2 x 67 x 25 = 837,5 xm²
25. D
Daerah yang diarsir membentuk suatu lingkaran, maka;
Luas lingkaran= 22/7 x 10,5 x 10,5 = 346,5 cm²
26. B
Luas 3/4 lingkaran = 3/4 x 22/7 x 28 x 28 = 1848 cm²
27. B
Volume air dalam balok = p x l x t = 120 x 60 x 75 = 540.000 cm³ = 540 liter