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⇒ 1/2 × 22/7 × 14 cm × 14 cm
= 308 cm²
L. setengah lingkaran =....?
peny :
L.0 = . r²
= 22 X 14 X 14
7
= 22 X 2 X 14
= 616 cm²
jadi, luas setengah lingkaran = L. 0
2
= 616
2
= 308 cm²
smoga mmbntu yah :)