Răspuns:
Explicație pas cu pas:
Aplicam Teorema Thales
a) AD=AB-DB=20-16=4 cm
AD/DB=AE/EC ⇒4/16=6/EC ⇒EC=5x6=30cm
b)DB=AB-AD=24-8=16cm
AD/DB=AE/EC ⇒8/16=AE/10 ⇒AE=10/2=5 cm
c) AE=AC-EC=30-6=24 cm
AD/DB=AE/EC 28/DB=24/6 DB=28×6/24=28/4=7 cm
d)EC=AC-AE=24-4=20cm
AD/DB=AE/EC AD/25=4/20 AD=25×4/20=25/5= 5cm
