Isilah nomor 3 sampai 10 pliss.. isi dengan lengkap
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3. r² = 1/2 .21. 21 = 1386 cm² 4. (25 x 25)-(1/2 x 14 x 16) = 625-112= 513 cm² 5. L = a x t = 12 x 0,4 = 4,8 cm² 6. ∛512 = 8 8 x 8 = 64 m² 8. lingkaran 9.V = r²t = 22/7 x 7 x 7 x 25= 3850 cm³
4. (25 x 25)-(1/2 x 14 x 16) = 625-112= 513 cm²
5. L = a x t = 12 x 0,4 = 4,8 cm²
6. ∛512 = 8
8 x 8 = 64 m²
8. lingkaran
9.V = r²t = 22/7 x 7 x 7 x 25= 3850 cm³