jika jari" bangun 14 cm. tinggi 10cm.luas permukaan bangun di Samping adalah cm?
LP = πd(r + t)
LP = 22/7 × 28 × (14 + 10)
LP = 22 × 4 × 24
LP = 88 × 24
LP = 2.112 cm²
[tex] [/tex]
LP = 2 x π x r x (r + t)
LP = 2 x 22/7 x 14 x (14 + 10)
LP = 2 x 22 x 2 x 24
LP = 44 x 2 x 24
LP = 88 x 24
LP = 2.112 cm²
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