CBSE Class 4 Mathematics Polygons MCQs

Question: The shapes which do not begin and end at the same are called ___________ shapes.

a) open

b) closed

c) vertex

d) polygon

Answer: open

Question: The shapes which begin and end at the same point

a) closed shapes

b) vertex

c) open shapes

d) polygon

Answer: closed shapes

Question: A special kind of plane figure called a

a) line

b) polygon

c) hexagon

d) vertex

Answer: line

Question: The point of the intersection of two sides is called the

a) vertex

b) line

c) polygon

d) plane

Answer: vertex

Question: A quadrilateral is a polygon formed by ___________ line segments.

a) four

b) six

c) five

d) seven

Answer: four

Question: A circle has no ___________ and ___________.

a) sides, corners

b) angles, vertex

c) plane, lines

d) line, vertex

Answer: sides, corners

Question: A triangle which has all acute angles is called an

a) acute triangle

b) right triangle

c) obtuse triangle

d) scalene triangle

Answer: acute triangle

Question: Diameter is the ___________ of a circle.

a) longest chord

b) no chord

c) 4 chord

d) smallest chord

Answer: longest chord

Question: Circle with same centre are known as ___________ circles.

a) concentric

b) exterior

c) interior

d) plane

Answer: concentric

Question: What is the radius if diameter = 20 cm

a) 10 cm

b) 40 cm

c) 30 cm

d) 50 cm

Answer: 10 cm

Question: What is the diameter if radius = 15 cm

a) 30 cm

b) 50 cm

c) 20 cm

d) 40 cm

Answer: 30 cm

Question: An ___________ triangle is a triangle in which all three sides are equal.

a) equilateral

b) scalene

c) isosceles

d) obtuse

Answer: equilateral

Question: A triangle which contains a right angle is called a ___________ triangle.

a) right angle

b) obtuse

c) acute

d) scalene

Answer: right angle

Question: A cone has ___________ vertex and ___________ flat face.

a) 1,1

b) 3, 3

c) 4,4

d) 2,2

Answer: 1,1

Question: How many faces has cube.

a) 6

b) 8

c) 7

d) 9

Answer: 6

Question: A Pentagon has ___________ sides.

a) 5

b) 6

c) 7

d) 8

Answer: 5

Question: A triangle which contains an obtuse angle is called a

a) obtuse triangle

b) right triangle

c) isosceles triangle

d) acute triangle

Answer: obtuse triangle

Question: Tessellation comes from the word

a) generating

b) tessera

c) gaps

d) overlaps

Answer: generating

Question: Angle of right triangle is

a) 90°

b) 360°

c) 120°

d) 180°

Answer: 90°

Question: A ___________ triangle is a triangle that has not two sides equal

a) scalene

b) equilateral

c) acute

d) isosceles

Answer: scalene

Question: How many curved faces a sphere has

a) 1

b) 2

c) 3

d) 4

Answer: 1

Question: How many flat faces a cylinder has

a) 2

b) 3

c) 4

d) 5

Answer: 2

Question: A pyramid has ___________ edges and ___________ vertices.

a) 8,5

b) 6,8

c) 8,6

d) 5,8

Answer: 8,5

Question: An ___________ triangles is a triangle that has two equal sides.

a) isosceles

b) right

c) scalene

d) equilateral

Answer: isosceles