Answer:
yes; you can just remember that all the angles on a triangle equal 180 so just add the two angles, subtract from 180 to get your last angle degrees.
Answer:
to find the permiter of the shapes add up all the sides
to find the area multiply one of the sides and another side
Answer:
213`334
Step-by-step explanation:
sry lol i want points i apologize
Here you go.. hope this helps
You flip the sign from > to < only when you are dividing by a negative number and in this case it would be negative 9.
