Points, lines, planes
In Figure 1. The intersection of lines a and c.
In figure 2. Solve for x.
x=4
Find the midpoint: (-3,16) and (17,4)
(7,10)
In figure 3. Angles 1 and 2.
vertical angles.
In figure 5, classify the polygon by number of sides, and concave/convex.
concave pentagon
In figure 1. Another name for b.
What is ST, or XT, or SX? (with line symbol over letters)
In figure 2. Find YZ.
YZ=19
find the distance (2,1) and (4,4)
sqroot(13)
the complement of an angle is 10 less than 3 times the angle. Find both angles
25 and 65 degrees
what is the sum of the interior angles of a heptagon?
900 degrees
In figure 1. Name 3 non collinear points.
various answers.
Solve for x if B is between A and C. BC=13, BA=5x-3, AC=40
x=6
FInd the midpoint (-11,-6) and (14,4)
(1.5, -1)
In figure 3. If angle 1 is 3x-5 and angle 2 is 103 degrees, solve for x.
x=36
a regular polygon is both________ and _______.
equilateral and equiangular.
In figure 1. Name a line segment, and a ray.
various answers
Solve for x if B is between A and C.
BC=3x, AB=7x-2, AC=6k+16
x=4.5 or 9/2
Find the distance (-3,5) and (-6, -1)
3sqrt(5)
In figure 4. Angle ABD=x+6, angle ABE=130, and angle DBE=5x-38. Find m angle ABD
33 degrees
One interior angle of a regular pentagon is 2x-40. Solve for x.
x=74
In figure 1. name the plane in two ways.
R and any 3 points.
Find AC, B is between A and C
AB=10, BC=3x+12, AC= x+50
x=
Find the missing endpoint: (-4,8) and (x,y)
midpoint is (19,.5)
(42,-7)
In figure 4. BE bisects angle DBC. Angle DBC=10x+30, angle ABE=3x+17. Find m angle EBC.
65 degrees.
the exterior angles of a quadrilateral are x, 3x, 5x, and 7x. Solve for x.
x=22.5