Kunci Jawaban Matematika Kelas 9 SMP MTs Halaman 238-241, Latihan 4.3 No 1-12 Kesebangunan Bangun Datar

Baca Juga: Kunci Jawaban Matematika Kelas 9 Halaman 214, 215, 216 Latihan 4.1 No 9 - 14 Kekongruenan Bangun Datar

4. jawaban :
a. FG/BC = 28/35 = 4/5

EF/AB = 4/5

EF/20 = 4/5

EF = 4/5.20
= 16 cm

HG=...cm

Gunakan rumus Teorema Pythagoras:

HG = V16^2 + 12^2
= V256 + 144
= V400
= 20 cm

AD =...cm

EH/AD = 4/5
16/AD = 4/5
5.16/4 = AD
20 cm = AD

DC =...cm

HG/DC = 4/5
20/DC = 4/5
5.20/4 =DC
25 cm = DC