Your cart is empty.
Practice each question, then open the answer or worked solution.
The number of lines of symmetry in a ruler is
(A) 0 (B) 1 (C) 2 (D) 4
Solution:-
(C) 2
We know that the ruler has the shape of a rectangle,
So, the number of lines of symmetry in a ruler is 2.
The number of lines of symmetry in a divider is
(A) 0 (B) 1 (C) 2 (D) 3
Solution:-
(B) 1
The number of lines of symmetry in a divider is 1.
The number of lines of symmetry in compasses is
(A) 0 (B) 1 (C) 2 (D) 3
Solution:-
(A) 0
Therefore, there are no lines of symmetry in a compass.
The number of lines of symmetry in a protractor is
(A) 0 (B) 1 (C) 2 (D) more than 2
Solution:-
(B) 1
Therefore, there is only one line of symmetry in a protractor.
The number of lines of symmetry in a 45o – 45o – 90o set square is
(A) 0 (B) 1 (C) 2 (D) 3
Solution:-
(B) 1
From the question, it is given that the measurement of an isosceles triangle.
So, the number of lines of symmetry in the given set-square is 1.
The number of lines of symmetry in a 30o – 60o – 90o set square is
(A) 0 (B) 1 (C) 2 (D) 3
Solution:-
(A) 0
From the question, it is given that measurement of a scalene triangle.
So, the number of lines of symmetry in the given set-square is 0.
The instrument in the geometry box having the shape of a triangle is called a
(A) Protractor (B) Compasses
(C) Divider (D) Set-square
Solution:-
(D) Set-square
In questions 18 to 42, fill in the blanks to make the statements true.
The distance of the image of a point (or an object) from the line of symmetry (mirror) is ________ as that of the point (object) from the line (mirror).
Solution:-
The distance of the image of a point (or an object) from the line of symmetry (mirror) is the same as that of the point (object) from the line (mirror).
The number of lines of symmetry in a picture of the Taj Mahal is _______.
Solution:-
The number of lines of symmetry in a picture of the Taj Mahal is one.
The number of lines of symmetry in a rectangle and a rhombus are ______ (equal/unequal).
Solution:-
The number of lines of symmetry in a rectangle and a rhombus are equal.