Jawaban:
1.L.yg diarsir=16-12,56=3,44cm²
2.L.=1.039,5cm²
k.=99cm
Penjelasan dengan langkah-langkah:
1.L.1=s²
=4²=16cm²
L.=π×r²
=3,14×2²
=3,14×4
=12,56cm²
L.yg diarsir=16-12,56=3,44cm²
2.L.¾=¾×π×r²
=¾×22/7×21²
=3/2×11×63
=33/2×63
=2.079/2=1.039,5cm²
k.¾=¾×π×d
=¾×22/7×42
=3/2×11×6
=9×11=99cm
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jawaban:
1.L.yg diarsir=16-12,56=3,44cm²
2.L.=1.039,5cm²
k.=99cm
Penjelasan dengan langkah-langkah:
1.L.1=s²
=4²=16cm²
L.=π×r²
=3,14×2²
=3,14×4
=12,56cm²
L.yg diarsir=16-12,56=3,44cm²
2.L.¾=¾×π×r²
=¾×22/7×21²
=3/2×11×63
=33/2×63
=2.079/2=1.039,5cm²
k.¾=¾×π×d
=¾×22/7×42
=3/2×11×6
=9×11=99cm