I.E.S. “Andrés de Vandelvira” Sección Europea
Mathematics
That is: AB A ' B' AB BC = , you can also say that = BC B' C' A ' B' B' C' Exercise 3 Calculate the ratio (use a ruler)
AB BC
or
A ' B' B' C'
of the picture
above.
Exercise 4 Consider that lines a, b and c are parallel lines and AB = 2 cm , EF = 2.8 cm and BC = 3.5 cm .
Calculate DE
10-4