Jawaban:
Luas Persegi panjang :
p × l
p = 20
l = 10
Luas = 20×10
= 200 cm²
Luas setengah Lingkaran :
(phi × r²) /2
=(3,14 × 10 × 10)/2
=(3,14 × 100)/2
=314/2
= 157 cm²
Luas Arsiran :
200 - 157
= D.43 cm²
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Jawaban:
Luas Persegi panjang :
p × l
p = 20
l = 10
Luas = 20×10
= 200 cm²
Luas setengah Lingkaran :
(phi × r²) /2
=(3,14 × 10 × 10)/2
=(3,14 × 100)/2
=314/2
= 157 cm²
Luas Arsiran :
200 - 157
= D.43 cm²