ImmanuelSinaga
10. KESEBANGUNAN DAN PERBANDINGAN SUDUT ΔADC ≈ ΔACB
AC = 3 . 8CM = 24CM AD = 2 . 8CM = 16CM
BC = 3CD BD = 2C CD = 16 CM = 2 . 16 CM BC = 3.16 = 32 CM = 48CM a. ACD = 8 + 16 + 24 = 48CM b. sebangun c. sebangun
11. AC = 3 . AB = 18CM BC = 2 . AB = 12 CM perbandingan sisi = AF = 3/2 x AB = 9 cm CF DENGAN SUDUT 90' MEMILIKI SISI 2 AF = 18CMCM AC DENGAN SUDUT 45' MEMILIKI SISI SAMA AF = 9 CM perbandingan sisi = [tex] \frac{CF}{AC} = \frac{18}{9} = 2 KALI EF = 2AF = 2 . 9 CM = 18 CM CD = 1/2 CE = 1/2 . (3/2 CF) = 3/4 . 18 CM = 13,5 CM
ΔADC ≈ ΔACB
AC = 3 . 8CM = 24CM
AD = 2 . 8CM = 16CM
BC = 3CD BD = 2C
CD = 16 CM = 2 . 16 CM
BC = 3.16 = 32 CM
= 48CM
a. ACD = 8 + 16 + 24
= 48CM
b. sebangun
c. sebangun
11.
AC = 3 . AB = 18CM
BC = 2 . AB = 12 CM
perbandingan sisi =
AF = 3/2 x AB = 9 cm
CF DENGAN SUDUT 90' MEMILIKI SISI 2 AF = 18CMCM
AC DENGAN SUDUT 45' MEMILIKI SISI SAMA AF = 9 CM
perbandingan sisi = [tex] \frac{CF}{AC} = \frac{18}{9} = 2 KALI
EF = 2AF
= 2 . 9 CM
= 18 CM
CD = 1/2 CE
= 1/2 . (3/2 CF)
= 3/4 . 18 CM
= 13,5 CM