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Draw a line segment of length \\( 7.3 \\mathrm{~cm} \\) using a ruler.

Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:38:04

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To do:We have to draw a line segment of length $7.3\ cm$ using a ruler.Solution:Steps of construction:(i) First, mark a point '$X$' on a sheet.(ii) Place the ruler's starting point on the marked point '$X$'.(iii) Mark a point '$Y$' at the $7.3\ cm$ mark on the ruler on the ... Read More

In each figure alongside, a letter of the alphabet is shown along with a vertical line. Take the mirror image of the letter in the given line. Find which letters look the same after reflection (i.e. which letters look the same in the image) and which do not. Can you guess why?


Try for $O E M N P H L T S V X$"

Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:38:02

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To do:We have to find the mirror image of the letter in the given line.Solution:The mirror images of the given letters are as follows:The letters which letters look the same after reflection are $O, M, H, T, V, X$.These letters look the same as they have vertical line of symmetry. Read More

State whether the following statements are true or false. Give reasons for your answers.
(i) Every natural number is a whole number.
(ii) Every integer is a whole number.
(iii) Every rational number is a whole number.

Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:38:02

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To find: We need to check whether the given statements are true or false.Solution: We know that, Whole Numbers:Whole numbers are 0, 1, 2, 3, ......, and so on.Natural Numbers:Natural numbers are 1, 2, 3, 4, 5.....and so on.Therefore, every natural number is a whole number. Integers:Integers are like whole numbers, but they ... Read More

Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:38:02

2K+ Views

To do:We have to find whether the given statement is true.Solution:Square root of positive integers :Square roots of all positive integers are not irrational.For example,$\sqrt1 = 1$ is not an irrational number.$\sqrt4 = 2$ is not an irrational number.

Copy the following drawing on squared paper. Complete each one of them such that the resulting figure has two dotted lines as two lines of symmetry.

How did you go about completing the picture?"

Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:37:54

17 Views

To do:We have to complete the figures in the squared paper such that the resulting figure has two dotted lines as two lines of symmetry.Solution:Symmetry :When an image looks identical to the original image after the shape is turned or flipped, then it is called symmetry.Line of Symmetry is a line ... Read More

Find the number of lines of symmetry in each of the following shapes.
How will you check your answers?
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Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:37:49

25 Views

To do:We have to find the number of lines of symmetry for each of the given shapes. Solution:We can find the number of lines of symmetry for each of the given shapes by using the concept of line of symmetry.Line of Symmetry: It is a line that divides the figure into two ... Read More

Given here are figures of a few folded sheets and designs drawn about the fold. In each case, draw a rough diagram of the complete figure that would be seen when the design is cut off.
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Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:37:45

31 Views

Given:Few folded sheets and designs drawn about the fold are given.To do:We have to draw a rough diagram of the complete figure that would be seen when the design is cut off. Solution:(a)The complete figure that would be seen when the design is cut off is as follows:(b) The complete figure ... Read More

Consider the letters of English alphabets, A to Z. List among them the letters which have
(a) vertical lines of symmetry (like A)
(b) horizontal lines of symmetry (like B)
(c) no lines of symmetry (like Q)

Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:37:35

451 Views

To do:We have to list the letters of the English alphabet which have (a) vertical lines of symmetry (like A) (b) horizontal lines of symmetry (like B) (c) no lines of symmetry (like Q) Solution:Line of Symmetry:It is a line that divides the figure into two symmetrical parts in such a ... Read More

Trace each figure and draw the lines of symmetry, if any:

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Tutorialspoint

Tutorialspoint

Updated on 10-Oct-2022 13:37:35

31 Views

To do:We have to trace each figure and draw the lines of symmetry Solution:Line of Symmetry: It is a line that divides the figure into two symmetrical parts in such a way that the figure on one side is the mirror image of the figure on the other side.Therefore, (a)The given figure ... Read More

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