Luas daerah yang diarsir adalah …. cm2
Jawaban:
=(1/2×Π×r²) – (1/2×Π×r²) – (1/2×Π×r²)
=(1/2×Π×14²) – (1/2×Π×10²) – (1/2×Π×4²)
=Π((1/2×14²) – (1/2×10²) – (1/2×4²)
=Π(98 – 50 – 8)
=Π 40=3,14×40=125,88
maaf klau salah
Luas daerah yang diarsir adalah …. cm2
Jawaban:
=(1/2×Π×r²) – (1/2×Π×r²) – (1/2×Π×r²)
=(1/2×Π×14²) – (1/2×Π×10²) – (1/2×Π×4²)
=Π((1/2×14²) – (1/2×10²) – (1/2×4²)
=Π(98 – 50 – 8)
=Π 40=3,14×40=125,88
maaf klau salah