rumus luas tabung = 2πr ( r+t)
2 × 22/7 × 7 × (7 + 30 ) = 44 × 37 = 1628 cm²
jadikan aku yg terbaik......
Jawab:
Penjelasan dengan langkah-langkah:
D=14cm r=7cm t=30cm
L permukaan=π×r×r×t
L=22/7×7×7×30
=22×1×7×30
=4620cm²
*****
Kamsaahamnida
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rumus luas tabung = 2πr ( r+t)
2 × 22/7 × 7 × (7 + 30 ) = 44 × 37 = 1628 cm²
jadikan aku yg terbaik......
Jawab:
Penjelasan dengan langkah-langkah:
D=14cm r=7cm t=30cm
L permukaan=π×r×r×t
L=22/7×7×7×30
=22×1×7×30
=4620cm²
*****
Kamsaahamnida