Question

Calculati aria unui trapez stiind ca :
A) B=6 cm, b=4 cm, h=3 cm

Answer 1

formula este [(B+b)x h]/2, deci (10x3)/2=15 cmp

Answer 2

$A= \frac{(B+b)h}{2} = \frac{(6+4)3}{2} = \frac{10x3}{2} =5x3=15$
coroana?