Add up them up
Ab+BC
18.3+11.2
=29.5
(2,3) , (0,-3) , (-2,1) are the points.
Hope this helps... Let me know if you wanna know anything.
Answer:
Step-by-step explanation:
a)
the sum of all angles in a quadrilateral must be 360º
y+88+25+35 = 360
y = 360=88-25-35
y = 212º
b)
the sum of all angles in an octagon must be 1080º
45+45+140+140+6y = 1080
6y = 1080-90-280
6y = 710
y = 710/6
y=~ 118,3º
Answer:
the 3rd option
Step-by-step explanation:
Because the domain (x) repeats the number 2 of the ordered pairs: (<u>2</u>,3) and (<u>2</u>,9)