Advertisements
Advertisements
Question
The number of dimensions, a surface has ______.
Options
1
2
3
0
Advertisements
Solution
The number of dimensions, a surface has 2.
Explanation:
Boundaries of a solid are called surfaces. A surface (plane) has only length and breadth. So, it has two dimensions.
APPEARS IN
RELATED QUESTIONS
Give a definition of the following term. Are there other terms that need to be defined first? What are they, and how might you define them?
perpendicular lines
Give a definition of the following term. Are there other terms that need to be defined first? What are they, and how might you define them?
radius of a circle
How many lines can be drawn through both of the given points?
The total number of propositions in the Elements are ______.
Euclid belongs to the country ______.
The edges of a surface are curves.
Solve the following question using appropriate Euclid’s axiom:
Look at the figure. Show that length AH > sum of lengths of AB + BC + CD.
Solve the following question using appropriate Euclid’s axiom:
In the following figure, we have BX = `1/2` AB, BY = `1/2` BC and AB = BC. Show that BX = BY.
Read the following statement :
An equilateral triangle is a polygon made up of three line segments out of which two line segments are equal to the third one and all its angles are 60° each.
Define the terms used in this definition which you feel necessary. Are there any undefined terms in this? Can you justify that all sides and all angles are equal in a equilateral triangle.
The following statement is true or false? Give reason for your answer.
If two circles are equal, then their radii are equal.
