Answer:
8 units
Step-by-step explanation:
find the distance of the lines through coordinates given
distance formula: 
i) CD=
CD=
CD=4 units
ii) DE=
DE=
DE=
DE= 2 units
iii) ED=
ED=
ED=
ED= 2 units
perimeter of polygon= 2 units+ 2 units+ 4 units
=8 units
Answer:
x+19
Step-by-step explanation:
3x+12 - 2x+7 = x+19
Answer:
x=6
Step-by-step explanation:
x+3=9
x+3-3=9-3
x=6
Answer:
its B the answer is b
Step-by-step explanation: