d = 28 cm
r = ½d
= ½(28 cm)
= 14 cm
L = ½πr²
= ½ × 22/7 × 14 cm × 14 cm
= 11 × 2 cm × 14 cm
= 308 cm²
semoga membantu
Jawaban:
a. 308 cm²
Penjelasan dengan langkah-langkah:
L = π × r × r × 1/2
=( 22/7 × 14 × 14 ) × 1/2
= 616 × 1/2
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d = 28 cm
r = ½d
= ½(28 cm)
= 14 cm
L = ½πr²
= ½ × 22/7 × 14 cm × 14 cm
= 11 × 2 cm × 14 cm
= 308 cm²
semoga membantu
Jawaban:
a. 308 cm²
Penjelasan dengan langkah-langkah:
L = π × r × r × 1/2
=( 22/7 × 14 × 14 ) × 1/2
= 616 × 1/2
= 308 cm²