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प्रश्न
A 45° – 45° – 90° set-square has ______ line/lines of symmetry.
उत्तर
A 45° – 45° – 90° set-square has one line/lines of symmetry.
Explanation:
Since, a 45° – 45° – 90° set square has a shape of isosceles triangle and an isosceles triangle has one line of symmetry.
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संबंधित प्रश्न
Use a graph paper for this question taking 1 cm = 1 unit along both the x and y-axis :
1) Plot the points A(0, 5), B(2, 5), C(5, 2), D(5, -2), E(2, -5) and F(0, -5).
2) Reflect the points B, C, D and E on the y-axis and name them respectively as B’, C’, D’ and E’.
3) Write the coordinates of B’, C’, D’ and E’.
4) Name the figure formed by B C D E E’ D’ C’ B’.
5) Name a line of symmetry for the figure formed.
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
Complete the following figure, about the given lines of symmetry which are shown by dotted lines and name the figure thus obtained:
Complete the following figure, about the given lines of symmetry which are shown by dotted lines and name the figure thus obtained:
Using the given horizontal line/vertical line as a line of symmetry, complete each alphabet to discover the hidden word.
Which word has a vertical line of symmetry?
Can you see that this shape looks the same on the `1/6` turn?
The number of lines of symmetry in a ruler is ______.
Find the number of lines of symmetry for the following shape:
Find the number of lines of symmetry for the following shape:
