Question

calculati aria unui trapez cu baza mica de 15 cm, baza mare de 7,2 dm si inaltimea de 4 cm

Answer 1

Baza mare=B
Baza mica =b
$A=\frac{(B+b)×h}{2}$
B=72cm
[tex] \frac{(72+15)×4}{2} [/tex]
87×4÷2=348÷2=174 cm patrati.
A174 cmpatrati

Answer 2

baza mica=b
baza mare=B
Aria=[(B+b)x4]:2
rezolva singur noroc ✌✌