Most important basic geometry mcqs with answers for all classes and one paper test preparation online.
Geometry MCQs with Answers
Who is known as the Father of Geometry?
- Kepler
- Euclid
- Pythagoras
- Newton
An angle = 90 degree is called
- Triangle
- right angle
- Obtuse angle
- None
Work done when the angle is 90 degree
- Zero
- Max.
- Min.
- Negative
Explanation: When cosθ = 90°, the value of cosθ is zero and so the work done is always zero.
If the sum of two angles 90 then angles are called?
- Right angle
- Reflex angle
- Complementary angle
- supplementary angle
If the sum of two angles is 180 they are called?
- Right angle
- Reflex angle
- Complementary angle
- supplementary angle
An angle that is greater than 90 but less than 180 is called a ____ angle.
- acute
- obtuse
- reflex
- none of the above
Pie-Chart is suitable to divide the components of factor in:
- Sectors
- Percentage
- Angles
- All of these
A triangle that has 3 equal angles is called:
- Isosceles
- Right Angle
- Equilateral
- Scalene
Sum of the interior angles of a polygon:
- 270 (n-2)
- 180 (n-2)
- 360 (n-2)
- 90 (n-2)
If diameter of a circle is 5m. Find Radius of circle ?
- 2.5 meters
- 2.9 meters
- 3.5 meters
- none
Perimeter of a triangle whose lengths 10.5 cm, 6.5 cm and 7 cm is:
- 14 cm
- 24 cm
- 24.5 cm
- 26 cm
The perimeter of a book is 100cm. If its width is 22cm, its length is:
- 38cm
- 32cm
- 28cm
- 22cm
Assumptions related to geometrical figures are called
- Postulates
- Axioms
- Corollary
- Therein
The centroid of a triangle LMN with vertices L(1. 1. 1), M(3, 3, 3), N(5, 5, 5) is the point
- (3 3 3)
- (2.5 2.5 2.5)
- (2.2.2)
- None of these
______ are those angles whose terminal sides coincide with co-ordinate axis
- quadrantal angles
- Conterminal angles
- adjacent angles
- All of these
The perimeter of square whose side is 2.5 cm long is.
- 10 cm
- 5 cm
- 6.25 cm
- none of these
Area of rectangular garden is 1500 m². The length of garden is 500m find the width of garden
- 300 m
- 500 m
- 100 m
- none of these
A sequence is called arithmetic, if it has:
- Common difference
- common ratio
- addition
- none of these
If the pth term of an AP is q and the qth term is p, prove that its nth term is (p + q – n).
- twice of pth term
- 2(p + q)
- (p + q – n)
- none of these
Supplementary of 123 degree is:
- 50
- 55
- 57
- 29
Angles greater than zero degree and less than 90 degrees are called
- Obtuse angles
- Acute angles
- Right angles
- None
The measure of an angle inscribed in a semicircle is equal to :
- 60o
- 180o
- 360o
- 90o
The triangle where all side is different in length is called ____ triangle?
- scalene
- isosceles
- acute angle
- none
If a triangle has Angle A 30 degrees, what will be the measurement of remaining two Angels?
- 90:60
- 75:75
- 70:80
- All of these
The area of a triangle will be a=1m, b = 2m, c = 3m, a,b,c being lengths of respective sides.
- 0 sq m
- 2 sq m
- 3 sq m
- Both A and B
The tangent at any point of the circle to the radius through the point of content is___
- perpendicular
- parallel
- adjacent
- chord
What is the ratio of the circumference of a circle to its radius?
- 2π
- π/2
- π
- none of these
What is the ratio of the diameter of the circle to its circumferences?
- 1 : π
- 2: π r
- π : r
- d : 2π
The graph of 2x-4y +8=0 crosses the x-axis is:
- -8
- +4
- +8
- -4
The value of (1-secθ)(1+secθ) is equal to
- sec^2 θ
- 2 sec θ
- cos ^2 θ
- tan^2 θ
the value of log (36)/ log (6) is____
- 1
- 2
- 3
- 4
The value of (1- secθ)(1+ secθ) is equal to___
- sec^2 θ
- 2sec^3 θ
- cos ^2 θ
- tan^2 θ
The chord passing through the center of the circle is known as ____
- diameter
- circumference
- radius
- none
Straight line joining any two points of the circumference of a circle is called
- Chord
- Sector
- Radious
- Segment
Find the radius of the sphere.
- 4 cm
- 8 cm
- 16 cm
- 18 cm
How many cubes can be cut of 1cm having dimensions 10 x 12 x 15 cm?
- 900
- 200
- 2000
- 1800
If two sides of a triangle are of equal length, then it is called.
- Scale triangle
- Isosceles triangle
- Equilateral triangle
- none of these
What is the ratio of the circumstance of a circle to its radius?
- 2π
- π/2
- 2πr
- None of these
complementary angles are angles whose measure have a sum equal to?
- 90 degree
- 120 degree
- 180 degree
- none
If you join two triangles together to form a square, the triangle should be:
- equilateral
- acute scalene
- right angle isosceles
- none
The area of the circle is:
- πr^2
- π^2r^2
- π^2r
- None
The area of the triangle is calculated by the formation:
- 1/2 (bxh)
- 1/2 (hbxh)^2
- 1/4 (bxh) 1
- 1/4 (bxh)
Angles that are less than 180(degree) and greater that 90 (degree) are called :
- reflex angles
- obtuse angles
- acute angles
- right angles
Expression ( a+b)^2 = ?
- a^2 +2ab +b^2
- a^2 -2ab +b^2
- a^2 + b^2
- None
The number of diagonals to quadrilateral has?
- Zero
- One
- Three
- Two
A polygon having 10 sides is called :
- decagon
- Triangle
- circle
- None
A polygon which consist of 8 sides is called :
- Nonagon
- Decagon
- Octagon
- None
A polygon having 4 sides is called
- Hexagon
- Pentagon
- Decagon
- Quadrilateral
The ratio of two supplementary angles is 2:1. The difference between these two angles is?
- 130∘
- 120∘
- 110∘
- 140∘
An angle measuring less than 90 degree is called?
- Obtuse angle
- Right angle
- Acute angle
- Straight angle
In a number system with base 2, the number of digits used are
- 1
- 2
- 10
- None
In a number system with base 8, the number of digits used are
- 7
- 10
- 8
- none
An angle whose measure is greater than 180 but less than 360
- Reflex angle
- Complete angle
- Obtuse angle
- Acute angle
What name is given to a 7-sided shape?
- Hexagon
- octagon
- heptagon
- triangle
The three geometric means between 2 and 31 are
- 6,8,10
- 4,8,16
- 6,10,14
- none
Find the area of circle of diameter 7 cm .
- 4.5 cm
- 3.2 cm
- 3.5 cm
- 14 cm
If tangent of theta is greater than 0 then it lies in which quadrant?
- I
- II
- III
- IV
If the area of a square is 49 2cm, its one side will be:
- 7 cm
- 16 cm
- 18 cm
- 20 cm
Which shape is the odd one out? circle, square, triangle, hexagon
- circle
- square
- triangle
- hexagon
If the radius of the circle increased 4 times, then its area increased should be?
- 8 times
- 12 times
- 16 times
- none of these
If a line intersects two coplanar lines, then the two internal angles on the coplanar lines are called:
- complementary
- supplementary
- obtuse
- none of the above
What will be the ratio between the area of two circles if the ratio between the radius of these circles is 1:3?
- 1:3
- 3:1
- 1:9
- 3:9
Read More: Important Mathematics MCQs and Statistics MCQs of all topics for any test preparation.