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Verified answer
Keliling = (3 × s) + 1/2 × π × d= 3 × 7 cm + (1/2 × 22/7 × 7 cm)
= 21 cm + 11 cm
= 32 cm
Verified answer
7×3=21cm1/2×22/7×7=11cm
21cm+11cm=32cm