Nomor 26 gimana ? Bantu dong

Keliling Persegi =
= s × 4
= (28/2) × 4
= 14 × 4
= 56 cm
Keliling 1/4 Lingkaran =
= 1/4 × π × d
= 1/4 × 22/7 × 28
= 616/28
= 22
Total Keliling =
= 56 + 22
= 78 cm ( c )

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