EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Polygons
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
How many diagonals does a hexagon have?
(i)
6
(ii)
10
(iii)
12
(iv)
8
(v)
9
Question
2
2.
Identify the figure below
(i)
heptagon
(ii)
circle
(iii)
hexagon
(iv)
pentagon
(v)
triangle
Question
3
3.
The value of the exterior angle in a regular polygon when the interior angle is given
(i)
180°- (interior angle)
(ii)
180°+ (interior angle)
(iii)
90°+ (interior angle)
(iv)
360°- (interior angle)
Question
4
4.
Identify the figure below
(i)
angle
(ii)
heptagon
(iii)
pentagon
(iv)
octagon
(v)
decagon
Question
5
5.
The value of the interior angle in a regular polygon when the exterior angle is given
(i)
90°+ (exterior angle)
(ii)
180°+ (exterior angle)
(iii)
360°- (exterior angle)
(iv)
180°- (exterior angle)
Question
6
6.
How many diagonals does a quadrilateral have?
(i)
1
(ii)
0
(iii)
3
(iv)
2
(v)
4
Question
7
7.
A polygon with 8 sides is called an
(i)
pentagon
(ii)
triangle
(iii)
heptagon
(iv)
octagon
(v)
quadrilateral
Question
8
8.
How many sides does a heptagon have?
(i)
9
(ii)
7
(iii)
8
(iv)
4
(v)
6
Question
9
9.
Sum of the interior angles in a quadrilateral is
(i)
370°
(ii)
375°
(iii)
390°
(iv)
365°
(v)
360°
Question
10
10.
A polygon with 5 sides is called a
(i)
pentagon
(ii)
triangle
(iii)
heptagon
(iv)
octagon
(v)
decagon
Question
11
11.
How many sides does a hexagon have?
(i)
6
(ii)
4
(iii)
9
(iv)
7
(v)
5
Question
12
12.
Identify the figure below
(i)
decagon
(ii)
angle
(iii)
hexagon
(iv)
pentagon
(v)
nonagon
Question
13
13.
The number of diagonals in a regular polygon with n sides is
(i)
(
n
)
(
n
−
2
)
2
(ii)
(
n
)
(
n
−
1
)
2
(iii)
(
n
)
(
n
−
3
)
2
(iv)
(
n
)
(
n
+
3
)
2
(v)
(
n
)
(
n
+
2
)
2
Question
14
14.
Sum of the interior angles in a decagon is
(i)
1470°
(ii)
1445°
(iii)
1450°
(iv)
1455°
(v)
1440°
Question
15
15.
How many diagonals does a triangle have?
(i)
2
(ii)
4
(iii)
1
(iv)
3
(v)
0
Question
16
16.
Sum of the interior angles in a nonagon is
(i)
1270°
(ii)
1260°
(iii)
1265°
(iv)
1275°
(v)
1290°
Question
17
17.
How many diagonals does a decagon have?
(i)
33
(ii)
36
(iii)
37
(iv)
35
(v)
34
Question
18
18.
How many sides does a decagon have?
(i)
11
(ii)
7
(iii)
12
(iv)
10
(v)
9
Question
19
19.
Sum of the interior angles in an octagon is
(i)
1090°
(ii)
1095°
(iii)
1085°
(iv)
1080°
(v)
1110°
Question
20
20.
Identify the figure below
(i)
heptagon
(ii)
octagon
(iii)
triangle
(iv)
pentagon
(v)
decagon
Question
21
21.
Sum of the interior angles in a triangle is
(i)
195°
(ii)
185°
(iii)
210°
(iv)
180°
(v)
190°
Question
22
22.
Find the number of sides in a regular polygon if each
exterior
angle is
10°
(i)
35
(ii)
37
(iii)
36
(iv)
38
(v)
33
Question
23
23.
Identify the figure below
(i)
nonagon
(ii)
quadrilateral
(iii)
heptagon
(iv)
decagon
(v)
hexagon
Question
24
24.
How many sides does an octagon have?
(i)
10
(ii)
8
(iii)
9
(iv)
7
(v)
6
Question
25
25.
Find the number of sides in a regular polygon if each
interior
angle is
174°
(i)
61
(ii)
63
(iii)
59
(iv)
60
(v)
58
Assignment Key
1) (v)
2) (ii)
3) (i)
4) (v)
5) (iv)
6) (iv)
7) (iv)
8) (ii)
9) (v)
10) (i)
11) (i)
12) (iii)
13) (iii)
14) (v)
15) (v)
16) (ii)
17) (iv)
18) (iv)
19) (iv)
20) (i)
21) (iv)
22) (iii)
23) (i)
24) (ii)
25) (iv)
