Tolong jawabannya ya

Jawaban :

• 315 cm² (c.)

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31). r = d/2 = 14/2 = 7 cm

L = Persegi panjang + ½ lingkaran

= ( P × L ) + ( ½ × π × r² )

= ( 17 × 14 ) + ( ½ × 22/7 × 7 × 7 )

= 238 + ( ½ × 22 × 7 )

= 238 + ( 11 × 7 )

= 238 + 77

= 315 cm²

Jawaban:

C. 315 cm²

Penjelasan dengan langkah-langkah:

Luas gabungan

= Luas persegi panjang + Luas lingkaran

= (p × l) + (π × r² × ½)

= (17 × 14) + (22/7 × 7² × ½)

= 238 + (22/7 × 49 × ½)

= 238 + (22 × 7 × ½)

= 238 + (154 × ½)

= 238 + 77

= 315 cm² [C]