Advertisements
Advertisements
प्रश्न
The number of dimensions, a surface has ______.
विकल्प
1
2
3
0
Advertisements
उत्तर
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
संबंधित प्रश्न
How many lines can be drawn through both of the given points?
How many lines can be drawn through a given point.
In how many points two distinct lines can intersect?
The boundaries of the solids are curves.
The edges of a surface are curves.
“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 ∠1 = ∠2, ∠2 = ∠3. Show that ∠1 = ∠3.
Solve the following question using appropriate Euclid’s axiom:
In the following figure, we have ∠ABC = ∠ACB, ∠3 = ∠4. Show that ∠1 = ∠2.
Solve the following question using appropriate Euclid’s axiom:
In the following figure, if OX = `1/2` XY, PX = `1/2` XZ and OX = PX, show that XY = XZ.
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.
