Q. 80

# State whether the statements are True or False.

While sphere is a 2-D figure, circle is a 3-D figure.

Answer :

False,

The main difference between 2D shapes including rectangles, squares, circle and triangles.

3D shapes including cubes, cuboids, etc as shown below:

The given statement is false.

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If we rotate a right-angled triangle of height 5 cm and base 3 cm about its height a full turn, we get

NCERT - Exemplar MathematicsState whether the statements are True or False.

The circle, the square, the rectangle and the triangle are examples of plane figures.

NCERT - Exemplar MathematicsState whether the statements are True or False.

The solid shapes are of two-dimensional.

NCERT - Exemplar MathematicsState whether the statements are True or False.

A prism has four bases.

NCERT - Exemplar MathematicsState whether the statements are True or False.

The order of rotational symmetry of a figure is 4 and the angle of rotation is 180° only.

NCERT - Exemplar MathematicsState whether the statements are True or False.

The number of lines of symmetry of a regular polygon is equal to the vertices of the polygon.

NCERT - Exemplar MathematicsState whether the statements are True or False.

A cone is a polyhedron.

NCERT - Exemplar MathematicsState whether the statements are True or False.

Triangle with length of sides as 5 cm, 6 cm and 11 cm can be constructed.

NCERT - Exemplar MathematicsState whether the statements are True or False.

Two dimensional figures are also called plane figures.

NCERT - Exemplar MathematicsState whether the statements are True or False.

While sphere is a 2-D figure, circle is a 3-D figure.

NCERT - Exemplar Mathematics