750$. . 4 . .. 650$, - 2 . .. ϳ , 2 . ..
QN = 4 .
N = 7,5 $
PW = 6,5 $
QS = 2 . .
QD = 6 . .
1 = QD - QS
1 = 6-2=4
2 . .
1. QS + =2+2=4
2. SABCD=1/2(+b)*h
SABCD = 1/2(6+5)*0,5=2,75
3. SA=1/2(+b)*h
SA =1/2(3+2)*0,5=1,25
4. SC=a*b
SC =2*0,5=1
5. SBD = 1/2(1*0,5)=0,25