Points, Lines, and Planes
How many points does it take to name a line?
2
Is segment AB congruent to segment CD?
A(6,-1) B(1,-1) C(2,-3) D(4,-3)
No
Find the midpoint of C(-4,7) and D(0,-3)
(-2,2)
What is the formula for the area of a triangle?
(b*h)/2
An angle consists of two different rays that have the same end point, called the ___________.
Vertex
How many points does it take to name a plane?
3
Is segment AB congruent to segment CD?
A(6,-8) B(6,1) C(7,-2) D(-2,-2)
Yes
Find the midpoint of C(-8,-6) and D(-4,10)
(-6,2)
If a segment if perfectly vertical, would it be a difference of the x's or the y's when doing the ruler postulate to find the length?
y's
30 degrees is an ________ angle.
Acute
If two planes intersect, what do they create?
Is segment AB congruent to segment CD?
A(10,-4) B(3,-4) C(-1,2) D(-1,5)
No
Find the other endpoint of G(-3,7) and M(-2,5)
(-1,3)
If a segment if perfectly horizontal, would it be a difference of the x's or the y's when doing the ruler postulate to find the length?
x's
180 degrees is a _________ angle.
Points that lie on the same line are known as what type of points?
Collinear points
Segment FG has a measure of 53 cm. If segment HG is 40 cm, what is the length of segment FH?
13 cm
Find the distance between C(-6,5) and D(-3,1)
5 units
Find the perimeter.
G(2,4) H(2,-3) J(-2,-3) K(-2,4)
22 units
90 degrees is a ____________ angle.
Right
Points that lie on the same plane are known as what type of points?
Coplanar points
Segment FG has a length of 8 inches. Segment GH has a length twice as long as FG. How long is FH?
24 inches
Find the distance between L(7,-1) and M(-2,4)
Find the area.
E(3,1) F(3,-2) G(-2,-2)
7.5 square units
Two angles that, when added together, have a sum of 90 degrees, are known as _____________ angles.
Complementary