jika tidak kelihatan tulisannya.
rumus luas=
1/2 x a x t =
1/2 x 9 x 12 =
108/2 = 54
keliling=
s= akar 12^2 + 9^2 =
s= akar 144 + 81
s= akar 225
s= 15 cm
= 9+(2x15)=30+9=39
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= 9x1000 = 9000cm = 90m
Tinggi sebenarnya
= 12x1000 = 12000cm = 120m
Keliling sebenarnya
= cari keliling denah dulu
√9² + 12²
= √81+144
= √225
= 15cm
keliling denah = 15+15+9 = 39cm
keliling sebenarnya
= 39x1000 = 39000cm = 390m
luas denah
= alas x tinggi/2
= 9x12/2
= 54cm²
luas sebenarnya
= 54x1000 = 54000cm² = 5,4m²
jika tidak kelihatan tulisannya.
rumus luas=
1/2 x a x t =
1/2 x 9 x 12 =
108/2 = 54
keliling=
s= akar 12^2 + 9^2 =
s= akar 144 + 81
s= akar 225
s= 15 cm
= 9+(2x15)=30+9=39