Answer:
Opposite angles are right angles.
Step-by-step explanation:
There are no right angles in a parallelogram.
Answer:
The answer would be c
Step-by-step explanation:
I did it edge yesterday
There is 360* in a circle, so you would divide 360 by 20 to get 18.
Greetings :)
To find slope of two points we will need to use this equation: 
( 6 , -12 ) ( 15 , -3 )
Now let's replace the equation with the numbers. (it will be a fraction).
= 
The equation equals 9 over 9, which also equals 1.
The slope of the line is 1.