Tolong dibantu jangan nggak ada cara

Jawaban :

• 108,5 cm² (b)

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32). L = Persegi panjang – ¼ lingkaran

= ( P × L ) – ( ¼ × π × r² )

= ( 21 × 7 ) – ( ¼ × 22/7 × 7 × 7 )

= 147 – ( ¼ × 22 × 7 )

= 147 – 38,5

= 108,5 cm²