Question

ab/cd = ef/gh,sendo cd=12cm,ef=1cm e gh=4 cm.determine a medida do segmento ab

Answer 1

ab/cd = ab/12
ef/gh = 1/4
Logo: ab/ 12 = 1/4
4ab = 12
ab = 3

Answer 2

AB/CD=EF/GH
X/12=1/4
4x=12
x=3 cm