Răspuns :
A= (B+b)h/2
B=13cm
b=5 cum
h=6cm (daca cea perpendiculara avea 6 cm)
A=(13+5)6/2
A=18*3
A=54 cm²
B=13cm
b=5 cum
h=6cm (daca cea perpendiculara avea 6 cm)
A=(13+5)6/2
A=18*3
A=54 cm²
aria = (baza mare+baza mica)xh/2
Deci
Baza mare=13
baza mica = 5
inaltimea = 6
Avem toate datele, deci putem aplica formula
Aria=(5+13)x6/2
Aria=18x6/2
Aria=108/2
Aria=54
Deci
Baza mare=13
baza mica = 5
inaltimea = 6
Avem toate datele, deci putem aplica formula
Aria=(5+13)x6/2
Aria=18x6/2
Aria=108/2
Aria=54