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Ex.5 dau coroana !!!!

Ex5 Dau Coroana class=

Răspuns :

Pdrep=2(L+l)
l=16m
L=2*l=16*2=32m
Pdrept= 2*(16+32)=96m

Ppatrat= 4a
a=16/4=4m
Ppatrat=4*4=16m

Pdrept-Ppatrat= 96-16=80m