7. Which of the following shows the correct perimeter? 10cm 5cm 5cm 6cm
А. Р=l+w+ 1 + w
B.P=w+w
C.P=1+ W
D. P = 1 + W +1
8. Which of the following shows correct perimeter? 20cm 55cm
A. P=l+w
B.P-1+w+W
C. P= a + b + c W
D. P= + W + 1 + W
9. How is irregular polygon measured?
A. P=S+S+S+S+S+S+S
C. P=S+S+S+S
B. P=S+S+S
D. P=S+S+S+S+S+S+S+S+S+S+S​