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MCQ Questions for CBSE Class 12 with Answers
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Unit 7 polygons and quadrilaterals homework 1 angles of polygons...
1.
A square is a regular polygon
always
sometimes
never
2.
A polygon is a
flat 2-D closed shape
shape with more than three sides
shape with sides that are all the same length
a shape with four sides
3.
How many sides does a hexagon have?
six
five
eight
seven
4.
A pentagon is a polygon with
six sides
seven sides
five sides
four sides
5.
Parallel lines are
a pair of lines
lines that run along side each other and are always the same distance apart
the lines in a polygon
intersect at the vertex of a triangle
6.
The word polygon literally means
many types
many sides
many angles
many faces
7.
How many regular polygons in this shape
4
5
6
8
8.
A triangle is regular when
it has three sides
all the angles add up to 180 degrees
all of its sides are the same length
all triangles are just plain, old regular
9.
Triangles are regular polygons
Always
Sometimes
Never
10.
Which of the following statements is true? A polygon
is a shape with straight lines
is a closed shape
has no curved lines
all of the above
11.
Find the value of x
87°
54°
101°
92°
12.
What is the name of a 12-sided polygon?
Dodecahedron
Polygon
Decagon
Dodecagon
13.
The sum of 5 angles of a hexagon is 600o. What is the measure of the 6th angle?
90o
120o
100o
60o
14.
Calculate the sum of the interior angle measures of a polygon with 25 sides.
360 degrees
4500 degrees
335 degrees
4140 degrees
15.
How do you find the sum of the exterior angles of a polygon?
180(n-2)
180
(180(n-2))/n
360
16.
Three of the angles in a quadrilateral have a sum of 252o. What is the measure of the fourth angle?
108o
360o
72o
56o
17.
What is the measure of each interior angle of a regular octagon?
135
180
145
190
18.
The sum of the interior angles in a polygon is 3,240o. How many sides are in the polygon?
10
582,840
18
20
19.
Find the value of y.
110
90
130
120
20.
What is the sum of the interior angles for a 24-gon
3960
360
15
4280
21.
Find the sum of the interior of angles in a 12-gon
1800
1080
1620
1260
22.
Find the number of sides of a polygon with one exterior angle measuring 6⁰.
60
30
20
10
23.
What is the value of x?
26.25
38.75
24
25.125
24.
What is the SUM of the angle measures in a nonagon (9 sides)?
1440°
900°
1080°
1260°
25.
What is the measure of ONE interior angle in a regular pentagon (5-sides)?
90°
108°
120°
180°
26.
What is the formula for one exterior angle in a regular polygon?
180(n−2)
180(n−2)÷n
360
360/n
27.
What is the formula for the sum of interior angles in a polygon?
(n−2)180
(n−2)180÷n
360
360/n
28.
Find the angle SUM of the interior angles of the polygon.
180°
540°
720°
1080°
29.
What is the SUM of the angle measures in a triangle (3 sides)?
60°
90°
120°
180°
30.
What is the measure of ONE interior angle in a regular triangle (3 sides)?
15°
30°
60°
90°
31.
What is the formula for the sum of exterior angles in a polygon?
180(n−2)
180(n−2)÷n
360
360/n
32.
What is the formula for one interior angle in a regular polygon?
(n−2)180
(n−2)180÷n
360
360/n
33.
What is the sum of exterior angles for a 27-gon?
4860
4500
360
270
34.
What is the SUM of the exterior angles of a 20-gon?
180
360
3240
162
35.
The measures of one interior angle of a regular polygon is 140o. What is the name of the polygon?
Decagon
Nonagon
Heptagon
Hexagon
36.
What is the name of a 7 sided polygon?
hexagon
heptagon
octagon
nonagon
37.
What is the SUM of the angle measures in a hexagon (6 sides)?
720°
1080°
600°
540°
38.
What is the measure of ONE interior angle in a regular hexagon (6 sides)?
60°
80°
108°
120°
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