Advertisements
Advertisements
प्रश्न
Boundaries of solids are ______.
विकल्प
surfaces
curves
lines
points
Advertisements
उत्तर
Boundaries of solids are surfaces.
APPEARS IN
संबंधित प्रश्न
The following statement is true or false? Give reason for your answer.
Only one line can pass through a single point.
Consider two ‘postulates’ given below:-
- Given any two distinct points A and B, there exists a third point C which is in between A and B.
- There exist at least three points that are not on the same line.
Do these postulates contain any undefined terms? Are these postulates consistent? Do they follow from Euclid’s postulates? Explain.
How many lines can be drawn through both of the given points?
How many lines can be drawn through a given point.
In Ancient India, Altars with combination of shapes like rectangles, triangles and trapeziums were used for ______.
Pythagoras was a student of ______.
The things which are double of the same thing are equal to one another.
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.
Solve the following question using appropriate Euclid’s axiom:
In the following figure, we have ∠1 = ∠3 and ∠2 = ∠4. Show that ∠A = ∠C.
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.
