Answer:

For items 16-20, find the perimeter of the parallelogram given the measures of its consecutive sides L and w, use the formula for perimeter P= 2l + 2W :

16. l = 12cm. w= 4cm

A. 32cm

B. 45cm

C. 36cm

D. 18cm

17. l = 23cm. w =11cm

A.44cm

B.34cm

C.15cm

D.68cm

18. l = 31cm. w=15cm

A.91cm

B.90cm

C. 89cm

D.88cm

19. l =23 cm. w =21 cm

A.91cm

B.90cm

C.89cm

D.88cm

20. l =45 cm w = 25cm

A. 132cm

B. 140cm

C. 116cm

D. 181cm

pahelp po ty