tentukannluas lingkaran tolong di jawab besok mau di kumpulin
Jawaban:
Bangun Datar Lingkaran
...
jari jari lingkaran (r) = 21 cm
nilai phi (π) = 22/7
Luas lingkaran :
L = πr²
L = 22/7 x 21²
L = 22/7 x 441
L = 22 x 63
L = 1.386 cm²
Jawaban :
- Jari Jari 21 cm
L = π × r²
= 22/7 × 21²
= 22/7 × 441
= 22 × 63
= 1.386 cm²
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