Answer:
Area of rectangle = l*b
11*9
99
I think it will help you.
7. x=19 2x=38
8.x=23 3x=69
9.x=12 (50-2)/4=12
10.x=15 (31-1)/2
11.x=16 (84-4)/5
12.x=27 (55-1)/2
Step-by-step explanation:
if 2 angles are opposite, it's the same
(-1,0)
3(-1)+3(0)=-3
-3+0=-3
-3=-3
-2(-1)+(0)=2
2+0=2
2=2
