r = 28 ÷ 2 = 14 cm
Yang ditanyakan luas alas lingkaran:
L = π × r²
= 22/7 × 14 × 14
= 22 × 2 × 14
= 616 cm²
Jawaban: D.
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r = 28 ÷ 2 = 14 cm
Yang ditanyakan luas alas lingkaran:
L = π × r²
= 22/7 × 14 × 14
= 22 × 2 × 14
= 616 cm²
Jawaban: D.