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प्रश्न
A regular octagon has 10 lines of symmetry.
विकल्प
True
False
उत्तर
This statement is False.
Explanation:
Since, a regular polygon has as many lines of symmetry as the number of its sides. Therefore, a regular octagon has 8 lines of symmetry.
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संबंधित प्रश्न
Use graph paper for this question) (4)
A(0, 3), B(3, −2) and O(0, 0) are the vertices of triangle ABO.
(1) Plot the triangle on a graph sheet taking 2 cm = 1 unit on both the axes.1
(2) Plot D the reflection of B in the Y-axis, and write its coordinates.
(3) Give the geometrical name of the figure ABOD.
(4) Write the equation of the line of symmetry of the figure ABOD.
In the given figure, ABCDE is a pentagon inscribed in a circle such that AC is a diameter and side BC//AE.If
∠ BAC=50°, find giving reasons:
(i) ∠ACB
(ii) ∠EDC
(iii) ∠BEC
Hence prove that BE is also a diameter
Construct a rhombus ABCD with AB= 5.0 cm and AC= 8 cm. Draw its lines of symmetry.
Think of all 2, 3 and 4 digit numbers which look the same on half a turn.
Example
- 2 digit numbers 11, ______, ______
- 3 digit numbers 101, 111, ______, ______, ______, ______, ______, ______
- 4 digit numbers 1001, 1111, ______, ______, ______, ______, ______
Among the following shapes, find out which ones would look the same after turn. Put a (✓).
Put a (X) on the shapes that will not look the same after half a turn.
The number of lines of symmetry in a protractor is ______.
The number of capital letters of the English alphabets having both horizontal and vertical lines of symmetry is ______.
A rhombus is symmetrical about ______.
A square and a rectangle have the same number of lines of symmetry.
On a squared paper, sketch the following:
A hexagon with six lines of symmetry.
