Answer:
B. 
Hope this helped. A brainliest would be very much appreciated. (I need 4 brainliest so I can level up) :)
Answer:
18
Step-by-step explanation:
3+9=12
12/2=6
6x3=18
Answer:
you can try adding the adding angles up to 180
or if its graphed you can count the units
Step-by-step explanation:
and know that all four sides are congruent and diagonals are perpendicular
i tried :)
Answer:
360 no-scope
Step-by-step explanation:
gamer juice
Answer:
Im to lazy to calculate the entire answer but its basically the formula is a*b/2
Step-by-step explanation: