Download ch 6 warm-ups 1 wkst

Geometry Chapter 6 Warm-ups 1
Name ___________________________
Monday
Pretest
Tuesday
Tell whether each figure is a polygon. If it is a polygon, name it by the number of its sides.
1.
2.
3.
Tell whether each polygon is regular or irregular. Then tell whether it is concave or convex.
4.
5.
6.
Wednesday
7. Complete the chart below.
Polygon
Triangle
Quadrilateral
Pentagon
Hexagon
Octagon
Nonagon
Decagon
Dodecagon
n-gon
# of
Sides
# of
Triangles
Interior
Angle Sum
Measure of
EACH Interior
Angle
Measure
of Exterior
Angles
Measure of
EACH Exterior
Angle
3
1
180
60
360
120
8. Find the measure of each interior angle by writing an equation and showing all work.
Thursday
9. If a quadrilateral is a parallelogram, then its consecutive angles are _________________.
10. If a quadrilateral is a parallelogram, then its opposite sides are _________________.
11. A parallelogram is a quadrilateral with two pairs of ________________ sides.
12. If a quadrilateral is a parallelogram, then its diagonals _________________ each other.
13. If a quadrilateral is a parallelogram, then its opposite angles are _________________.
Choose the best answer.
14. A figure is an equiangular 18-gon. What
is the measure of each exterior angle of
the polygon?
a) 10
b) 18
c) 20
d) 36
16. Find the measure of RKL.
a) 34
b) 68
c) 86
15. Three interior angles of a convex heptagon
measure 125, and two of the interior angles
measure 143. Which are possible measures
for the other two interior angles of the
heptagon?
a) 48 and 48
b) 39 and 100
c) 100 and 116
d) 89 and 150
17. What is the measure of GCD?
d) 148
a) 123
18. The top view of a hexagonal greenhouse is shown at the right.
What is the measure of PQR, the acute angle formed by the
House and the greenhouse?
b) 116
c) 73
d) 29