Page 68 - E-MODUL SEGIEMPAT REVI (Fix)_Neat
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Tahap Pembuktian
Buktikanlah gambar persegi panjang di bawah yang memiliki panjang 22 cm dan lebar
10 cm yang merupakan bangun datar layang-layang.
2
2
p = = 22 cm
2
= 10 cm
2
Tentukanlah dan luas layang-layang tersebut!
Penyelesaian: .............................................................................................................
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Tahap Menarik Kesimpulan
Berdasarkan kegiatan tersebut apa yang dapat ananda simpulkan?
Keliling layang-layang adalah ............................................
.............................................................................................
.............................................................................................
Sehingga diperoleh rumus keliling layang-layang:
K = + + +
Dan luas layang-layang adalah ............................................
.............................................................................................
.............................................................................................
Sehingga diperoleh rumus luas layang-layang:
L =
64
