EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Polygons
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Identify the figure below
(i)
decagon
(ii)
hexagon
(iii)
quadrilateral
(iv)
octagon
(v)
triangle
Question
2
2.
A polygon with 8 sides is called an
(i)
hexagon
(ii)
quadrilateral
(iii)
pentagon
(iv)
octagon
(v)
triangle
Question
3
3.
A polygon with 9 sides is called a
(i)
nonagon
(ii)
decagon
(iii)
hexagon
(iv)
octagon
(v)
triangle
Question
4
4.
How many diagonals does a nonagon have?
(i)
26
(ii)
29
(iii)
28
(iv)
25
(v)
27
Question
5
5.
The value of the exterior angle in a regular polygon when the interior angle is given
(i)
90°+ (interior angle)
(ii)
180°- (interior angle)
(iii)
180°+ (interior angle)
(iv)
360°- (interior angle)
Question
6
6.
Sum of the interior angles in an octagon is
(i)
1095°
(ii)
1110°
(iii)
1090°
(iv)
1080°
(v)
1085°
Question
7
7.
How many sides does a hexagon have?
(i)
6
(ii)
7
(iii)
9
(iv)
5
(v)
3
Question
8
8.
Identify the figure below
(i)
pentagon
(ii)
decagon
(iii)
triangle
(iv)
quadrilateral
(v)
hexagon
Question
9
9.
A polygon with 4 sides is called a
(i)
quadrilateral
(ii)
decagon
(iii)
nonagon
(iv)
octagon
(v)
triangle
Question
10
10.
Identify the figure below
(i)
hexagon
(ii)
circle
(iii)
decagon
(iv)
nonagon
(v)
angle
Question
11
11.
Sum of the interior angles in a pentagon is
(i)
570°
(ii)
545°
(iii)
550°
(iv)
540°
(v)
555°
Question
12
12.
How many sides does a heptagon have?
(i)
6
(ii)
5
(iii)
10
(iv)
8
(v)
7
Question
13
13.
Identify the figure below
(i)
circle
(ii)
quadrilateral
(iii)
angle
(iv)
pentagon
(v)
octagon
Question
14
14.
A polygon with 5 sides is called a
(i)
octagon
(ii)
heptagon
(iii)
decagon
(iv)
pentagon
(v)
hexagon
Question
15
15.
Identify the figure below
(i)
heptagon
(ii)
octagon
(iii)
decagon
(iv)
circle
(v)
hexagon
Question
16
16.
How many diagonals does a decagon have?
(i)
35
(ii)
34
(iii)
37
(iv)
36
(v)
32
Question
17
17.
How many sides does an octagon have?
(i)
11
(ii)
9
(iii)
8
(iv)
7
(v)
6
Question
18
18.
Find the number of sides in a regular polygon if each
interior
angle is
156°
(i)
14
(ii)
13
(iii)
17
(iv)
16
(v)
15
Question
19
19.
The value of each exterior angle in an n-sided regular polygon is
(i)
[
(2n - 4) x 90
n
]
°
(ii)
[
(2n - 4) x 180
n
]
°
(iii)
(
n
360
)
°
(iv)
(
360
n
)
°
Question
20
20.
How many diagonals does a hexagon have?
(i)
8
(ii)
11
(iii)
10
(iv)
9
(v)
7
Question
21
21.
How many diagonals does a quadrilateral have?
(i)
1
(ii)
2
(iii)
4
(iv)
0
(v)
3
Question
22
22.
Sum of the interior angles in a quadrilateral is
(i)
370°
(ii)
365°
(iii)
375°
(iv)
360°
(v)
390°
Question
23
23.
How many sides does a triangle have?
(i)
3
(ii)
1
(iii)
4
(iv)
6
(v)
2
Question
24
24.
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
25
25.
How many diagonals does a heptagon have?
(i)
14
(ii)
16
(iii)
12
(iv)
13
(v)
15
Assignment Key
1) (i)
2) (iv)
3) (i)
4) (v)
5) (ii)
6) (iv)
7) (i)
8) (i)
9) (i)
10) (ii)
11) (iv)
12) (v)
13) (ii)
14) (iv)
15) (ii)
16) (i)
17) (iii)
18) (v)
19) (iv)
20) (iv)
21) (ii)
22) (iv)
23) (i)
24) (iv)
25) (i)
