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problema 3 !! urgent!! va multumesc!!!❤

Problema 3 Urgent Va Multumesc class=

Răspuns :

Mikkka
AB= AM+MN+NC+CP+PQ+QB
AM=MN=NC si CP=PQ=QB

AB= 3AM + 3CP
12= 3(AM+CP)
AM+CP=12:3=4
AM+CP=4 cm

a)
MQ= 2AM+2CP = 2(AM+CP)=2 x 4=8cm
NP = AM+CP=4 cm

b) daca P -mijloc AB⇒ AP=PB=AB/2=12/2=6cm
PB=6cm⇒PQ=QB=3cm=CP
AB=AC+CB
BC = CP+PQ+QB = 3+3+3=9cm
12 cm = AC + 9 cm
AC=12cm-9cm
AC=3cm

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