Diketahui: AC = 24 cm BD = 20 cm ------------------------------- a = ½BD = ½(20) a = 10 cm dan b = ½AC = ½(24) b = 12 cm ------------------------------- Hitung sisinya (c) c² = a² + b² c² = 10² + 12² c² = 100 + 144 c² = 244 c = √244 c = √4·√61 c = 2√61 cm ------------------------------- Sisi belah ketupat = 2√61 cm
Diketahui:
AC = 24 cm
BD = 20 cm
-------------------------------
a = ½BD = ½(20)
a = 10 cm
dan b = ½AC = ½(24)
b = 12 cm
-------------------------------
Hitung sisinya (c)
c² = a² + b²
c² = 10² + 12²
c² = 100 + 144
c² = 244
c = √244
c = √4·√61
c = 2√61 cm
-------------------------------
Sisi belah ketupat =
2√61 cm
Penjelasan dengan langkah-langkah:
panjang AE
= 1/2 × d1
= 1/2 × 20
= 10
panjang Ec
= 1/2 × d2
= 1/2 × 24
= 12
Maka, menggunakan teorema phytagoras
cd = √12² + 10²
CD = √144 + 100
CD = √244
CD = √4 × 61
CD = 2√61