Advertisements
Advertisements
प्रश्न
The number of dimensions, a solid has ______.
पर्याय
1
2
3
0
Advertisements
उत्तर
The number of dimensions, a solid has 3.
Explanation:
A solid has shape, position and size and can be move from one place to another. So, a solid has three dimensions.
For example: cuboid, cube, cylinder, cone etc.
APPEARS IN
संबंधित प्रश्न
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?
line segment
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
If a point C lies between two points A and B such that AC = BC, then prove that AC = `1/2` AB. Explain by drawing the figure.
In Ancient India, Altars with combination of shapes like rectangles, triangles and trapeziums were used for ______.
Euclid belongs to the country ______.
Pythagoras was a student of ______.
“For every line l and for every point P not lying on a given line l, there exists a unique line m passing through P and parallel to l ” is known as Playfair’s axiom.
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.
Read the following two statements which are taken as axioms:
- If two lines intersect each other, then the vertically opposite angles are not equal.
- If a ray stands on a line, then the sum of two adjacent angles so formed is equal to 180°.
Is this system of axioms consistent? Justify your answer.
