Answer:
Postulate 1a: A plane contains at least three points not all on one line.
Step-by-step explanation:
The formula for slope is
In this case...
^^^Plug these numbers into the formula for slope...
-------------------> Simplifies to -1
^^^This is your slope
Hope this helped!
~Just a girl in love with Shawn Mendes
If one Angle is = 30
And the other two angles are equal
Given: x = l
ATQ
⇒30+x+l= 180
⇒x + x = 180-30
⇒2x = 150
⇒x = 150/2
⇒x = 75
Therefore x = 75
And the angles are 30, 75 and 75
Must click thanks and mark brainliest
