1. Estimate the measure of the angle.
Graphic
90°
85°
102°
78°
2. Which figure is NOT a polygon?
Graphic
Graphic
Graphic
Graphic
3. Which pair of angles are vertical?
Graphic
∠b and ∠c
∠b and ∠e
∠b and ∠d
∠b and ∠f
4. Which statement is NOT true?
Graphic
Points L, M, and N are noncollinear.
ON-ray and OL-ray are rays.
Points K, O, and N are collinear.
KM-line is a segment.
5. Identify the polygon according to the number of sides.
Graphic
triangle
hexagon
octagon
quadrilateral
6. Classify the triangle with sides measuring 11 cm, 5 cm, and 10 cm.
equilateral
isosceles
scalene
7. Which points are noncollinear?
Graphic
B, L, and F
C, Q, and I
N, P, and J
I, M, and G
8. Which figures appear to be congruent?
Graphic
2 and 3
1, 2, and 4
2 and 5
1 and 4
9. Which figure has exactly six lines of symmetry?
Graphic
Graphic
Graphic
Graphic
10. Is the second figure a translation, a reflection, or a rotation of the first figure?
Graphic
reflection
rotation
translation
none of these
11. Identify a segment skew to DG-segment.
Graphic
segment-BE
AB-segment
CF-segment
AD-segment
12. Which figure shows a ray?
Graphic
Graphic
Graphic
Graphic
13. Given these angle measures, which triangle is acute?
103°, 29°, 48°
58°, 60°, 62°
125°, 32°, 23°
91°, 48°, 41°
14. Which figure has a dashed line that is a line of symmetry?
Graphic
Graphic
Graphic
Graphic
15. Find the value of x in the figure.
Graphic
136°
134°
44°
46°
16. Find the value of x in the triangle.
Graphic
282°
78°
258°
102°
17. The two quadrilaterals are congruent. Which is a pair of sides that have the same length?
Graphic
BC-segment, RS-segment
CD-segment, TU-segment
DE-segment, RU-segment
BC-segment, ST-segment
18. Use the points in the diagram to name the figure. Then identify the type of figure. Graphic
CD-segment; segment
DC-ray; ray
line-CD; line
CD-ray; ray
19. How many lines of symmetry does this figure have?
Graphic
0
2
1
3
20. Polygon A is a square. Polygon B has four more sides than polygon A. What type of polygon is B?
decagon
pentagon
quadrilateral
octagon
#1-5 no graphic
#6 all sides are different, so scalene
#7-12 no graphic
#13 the one with all acute angles is acute
#14-19 no graphic
#20 well, a square has 4 sides. 4+4 = 8, so ...