Question

va rog am nevoie de el​

Answer 1

Răspuns:

Explicație pas cu pas:

a)

AM/AB= MN /BC

6/8= 3/x

x= (8*3)/6= 24/6

x=4cm

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b)

AM/AB=MN/BC

15/20= x/8

x= (8*15) /20

x= 120/20

x=6 cm

-

c)

AN/AC= MN/BC

x/(x+1) = 4/5

5*x=(x+1)*4

5x= 4x+4

5x-4x= 4

x=4 cm