Răspuns :
Aria trapez=[(baza mare + baza mica)×inaltimea ] :2
A=[(B+b)×h]:2
A=[(8+6)×4]:2=(14×4):2=28 cm²
A=[(B+b)×h]:2
A=[(8+6)×4]:2=(14×4):2=28 cm²
[tex] \frac{(8+6)*4}{2} [/tex]=
=[tex] \frac{14*4}{2} [/tex]=
=[tex] \frac{56}{2} [/tex]=
=28cm
Coroana??
=[tex] \frac{14*4}{2} [/tex]=
=[tex] \frac{56}{2} [/tex]=
=28cm
Coroana??