Answer:
to know the summation of angles: (n-2)*180
here (n) represent numbers of sides
12)we have 5 sides (n=5)
(5-2)*180=540
x=540-(105+135+92+87)=121
13)we have 8 sides (n=8)
(8-2)*180=1080
x=1080-(116+158+141+124+136+132+129)=144
I hope it will help
1. you can use fractions, reduce the number, or compare them and if they are the same
then they are classified as proportional.
2. you can use a graph by graphing two sets of numbers, if it’s proportional it will form a straight line that goes through the origin.
Answer:
The coordinates of the other points are (7,8)
Step-by-step explanation:
Mathematically, we have the midpoint formula as;
(x,y) = (x1 + x2)/2 , (y1 + y2)/2
(1,1) = (-5 + x2)/2 , (-6 + y2)/2
-5 + x2 = 2(1)
x2 = 2 + 5 = 7
(-6 + y2) = 2(1)
-6 + y2 = 2
y2 = 2 + 6
y2 = 8
The coordinates of the other points are (7,8)
Answer:
34
Step-by-step explanation:
180 since it is supplementary
then minus 100 which is 80 then minus 12 which is 68 then half that which is 34
Answer:
Y-int = (0,2)
Step-by-step explanation:
-28 -54
-21 -40
-14 -26
-7 -12
0 2