Honors Geometry; 2/19

We answered homework questions together before reviewing a few more circle proofs.  The students then got started working on their chapter 9 review sheet.  The test is on Monday.

The answers to the review sheet will be posted on this site later in the weekend.


Assignment:  Chapter 9 review sheet


Test 36 answers;  Angles and Segments

1.  90
2.  290
3.  55
4.  180
5.  140
6.  320
7.  a.  105, 75     b.  opposite angles in inscribed quadrilaterals are supplemental
8.  140
9.  20
10.  a.  angle IHJ     b.  if 2 inscribed angles intercept the same arc, then the angles are congruent
11.  a. 132      b.  66
12.  a.  75       b.  8
13.  52
14.  132
15.  49
16.  12
17.  4.8
18.  12
19.  10
20.  6 or 12
21.  9
22.  22

Test 37;   Chapter 9 Test

1.  chord
2.  center;  on the circle
3.  90
4.  70
5.  150
6.  one
7.  a.  140      b.  110
8.  0,  180
9.  80
10.  100
11.  100
12.  280
13.  50
14.  40
15.  in the same circle, congruent chords have congruent arcs
16.  in the same circle, congruent minor arcs have congruent central angles
17.  7 radical 2
18.  21
19.  50
20.  10
21.  60
22.  75
23.  68
24.  skip the proof
25.  12
26.  16
27.  9 radical 10
28.  6