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d = 14 cm
r = 7 cm
Ditanyakan :
Luas bola?
Jawab :
L bola = 4πr²
= 4. 22/7. 7²
= 88. 7
= 616 cm²
= 4 x 22/7 x 7 x 7
= 4 x 22 x 7
= 88 x 7
= 616 cm
semoga bermanfaat :)