r=14 cm t =20 cm Berapakah luas permukaannya.... Question from @liviaaira99

February 2023 1 2 Report

r=14 cm t =20 cm Berapakah luas permukaannya

Luas permukaan tabung

LP = 2πr × (r + t)

LP = 2 × 22/7 × 14 × (14 + 20)

LP = 2 × 22/7 × 14 × 24

LP = 2 × 22 × 2 × 24

LP = 44 × 2 × 24

LP = 88 × 24

LP = 2.112 cm²

koreksi

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