English Medium इयत्ता ९ - CBSE Question Bank Solutions

Boundaries of surfaces are ______.

In Indus Valley Civilisation (about 3000 B.C.), the bricks used for construction work were having dimensions in the ratio ______.

A pyramid is a solid figure, the base of which is ______.

The side faces of a pyramid are ______.

It is known that if x + y = 10 then x + y + z = 10 + z. The Euclid’s axiom that illustrates this statement is ______.

In ancient India, the shapes of altars used for household rituals were ______.

The number of interwoven isosceles triangles in Sriyantra (in the Atharvaveda) is ______.

Greek’s emphasised on ______.

In Ancient India, Altars with combination of shapes like rectangles, triangles and trapeziums were used for ______.

Euclid belongs to the country ______.

Thales belongs to the country ______.

Pythagoras was a student of ______.

Which of the following needs a proof?

Euclid stated that all right angles are equal to each other in the form of ______.

‘Lines are parallel, if they do not intersect’ is stated in the form of ______.

The boundaries of the solids are curves.

The edges of a surface are curves.

The things which are double of the same thing are equal to one another.

If a quantity B is a part of another quantity A, then A can be written as the sum of B and some third quantity C.

The statements that are proved are called axioms.