Mystical Midpoints
Nitpicky Notation
All the Angles
Algebra in Geometry??!
Potpourri
100
(5) Point M is the midpoint of \overline{AB}. Find BM.
44
100
(1) What is another name for \overline{HD}?
\overline{DH}
100
(11) m<BDA=199º. Find m<BDC.
77º
100
(21) Given that <NHM is a straight angle and ray HY bisects <MHC, find m<CHY. 
48º
100
(22) Classify the polygon by the number of sides. Tell whether it is convex or concave.
octagon, convex
200
(6) Identify the segment bisector of \overline{AB}.
line n
200
(2) What is another name for \overline{JB}?
\overline{JO} (with ray hat)
200
(13) Find m<BDA.
44
200
(21) Given that <NHM is a straight angle and ray HY bisects <MHC, find m<NHY.
132º
200
(25) Name a vertical angle with <7.
<9
300
(6) Find BM.
34
300
(3) Name one pair of opposite rays.
\overline{OH} and \overline{OD} or
\ovelrine{OB} and \overline{OJ} (all with ray rats)
300
(12) 
Find m<ADC.
48º
300
(14) Ray RT bisects <SRQ, and m<SRQ=112. Find m<QRT.
56º
300
(26) Name a linear pair that includes <12.
<13 or <11
400
(7) The endpoints of overline{GH} are G(-3,7) and H(-7,3). Find the coordinates of the midpoint M.
(-5,5)
400
(bonus) What is another name for ray DH?
Ray DO
400
(16) <3 is a complement of <1. m<3=19º. Find m<1.
71º
400
(15) Ray DC bisects <BDA. Find m<BDC.
35º
400
(24) When viewed from the side, the spire on the top of a building forms triangle with <B congruent to <C. What is the measure of <B?
51º
500
(8) The midpoint of overline{GH} is M(-4,-2). One endpoint is G(-3,-6). Find the coordinates of the endpoint H.
(-5,2)
500
(bonus) What makes naming a plane different than naming an angle?
The angle symbol.
500
(17) <4 is a supplement of <1. m<4=50º. Find m<1.
130º
500
(18) Two angles form a linear pair. The measure of one angle is eight times the measure of the other angle. Find the measure of the larger angle.
160º
500
(9) Find the area of ∆ABC with vertices A(-5,1), B(-5,-6), and C(0,1).
17.5