Answer:
x=20; vertical angles theorem
Step-by-step explanation:
hi! we can use the vertical angles theorem for this. vertical angles are congruent to each other, meaning they are the same amount of degrees. so, we can set 2x+10 and 50 equal to each other.
2x+10=50
2x=40
x=20
x=20 because of the vertical angles theorem.
A= -6(-2) < -10
12 < -10
NOT TRUE
B= -2(-2) > -3
4 > -3
TRUE
C= -2/4 < 0
-1/2 < 0
TRUE
D= -4 < (-2)-5
-4 < -7
TRUE
So the answer is A
Answer:
Step-by-step explanation:
Given are the vertices of a quadrilateral.
WE have to find the name of the quadrilateral
WE have slope of AC = (5-1)/(7-3) = 1
and slope of BD = (2-5)/(7-4) = -1
Since m1m2 =-1 we get
the diagonals cut at right angles
This property is special property for square, rhombus and kite only.
Let us check if diagonals bisect each other
Mid point of AC = 
Mid point of BD =
Since diagonals do not bisect this is neither rhombus nor square.
Only possibility is kite
Step-by-step explanation:
i got about 0.62
I'm so sorry if it isn't right tho
Answer:
4 and 5
Step-by-step explanation:
We know that.
√16 < √21 <√25
⇒4 < √21 < 5
Hence √
21 lies between 4 and 5