For #1-6, determine if the figure is a polygon, and if it is, tell whether it is convex or concave.
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Question 5
5.
Question 6
6.
For #7-9, determine if the polygon is equilateral, equiangular, or regular. Then classify it by its number of sides. Write your answer as two words. Ex: regular hexagon
Question 7
7.
Question 8
8.
Question 9
9.
The rest of this worksheet follows the 1.6 Crossnumber. Each question will have a number and either Across or Down to match the Crossnumber
Question 10
10.
1 Across: The number of sides in a decagon
Question 11
11.
2 Across: The measure of each interior angle of a regular quadrilateral is?
Question 12
12.
3 Across: The measure of one exterior angle of a regular pentagon.
Question 13
13.
4 Across: If the sum of the interior angle of a regular polygon is 3780o, how many sides does it have?
Question 14
14.
6 Across: The angles of a triangle have measures 100o, 49o, and __________?
Question 15
15.
8 Across: The measures of the interior angles of a quadrilateral are 51o, 134o, 114o, and _________?
Question 16
16.
10 Across: If the sum of the interior angles of a regular polygon is 3420o, how many sides does it have?
Question 17
17.
11 Across: The exterior angles of a nonagon measure 14o, 19o, 22o, 36o, 41o, 53o, 57o, and 68o. What is the measure of the ninth angle?
Question 18
18.
12 Across: The measure of each exterior angle of an octagon is?
Question 19
19.
15 Across: The sum of the exterior angles of a dodecagon?
Question 20
20.
17 Across: Find x. Then multiply the answer by 3.
Question 21
21.
21 Across: The sum of the measures of the interior angle of a convex polygon is 8640o. Find the number of sides.
Question 22
22.
22 Across: Each exterior angle of a regular decagon has measure ________?
Question 23
23.
23 Across: Find x.
Question 24
24.
1 Down: An interior angle of a polygon has measure 57o. The adjacent exterior angle is?
Question 25
25.
2 Down: Find x. Then plug x into 10x + 36.
Question 26
26.
5 Down: Four angles of a pentagon are 123o, 48o, 67o, and 138o. The other angle is?
Question 27
27.
7 Down: Each interior angle of a regular polygon has measure 150o, how many sides does the polygon have?
Question 28
28.
9 Down: If each interior angle of a regular polygon has measure 156o, how many sides does the polygon have?
Question 29
29.
13 Down: The angles of a quadrilateral have measures x, 2x + 5, x - 6, and 3x - 10. Find x.
Question 30
30.
14 Down: Find x.
Question 31
31.
16 Down: The measure of an exterior angle of a regular hexagon is?
Question 32
32.
18 Down: The sum of the interior angles of a heptagon is?
Question 33
33.
19 Down: Find x.
Question 34
34.
20 Down: Find the number of sides of a regular polygon if each exterior angle has a measure of 22.5o.