Question 2 :
A square and a rectangle can have atmost one line of symmetry.
Question 3 :
After rotating by $60^{\circ}$ about a centre, a figure looks exactly the same as at its original position. At what other angle will this happen for the figure?
Question 4 :
Lead is the axial advance of a helix or screw during one complete turn (360°). If a screw is $2.5$ inches long and has a lead of $0.125$ inch, calculate the number of turns would get it all the way into a piece of wood?
Question 6 :
John notices that a standard piece of paper is a rectangle, how many lines of symmetry does it have?
Question 7 :
If a rectangle has more than two lines of symmetry, then it must be a square.
Question 9 :
State whether true or false:A scalene triangle has three lines of symmetry.
Question 12 :
The number of lines of symmetry in a ${30^0 -60^0 -90^0}$ set square is
Question 13 :
Plot the point $P(3,4)$ on the graph paper and rotate it through $90^{o}$ in anti-clockwise direction, about the origin. Find the new position of $P$.
Question 18 :
If a rectangle has more than two lines of symmetry,then it must be a square.
Question 19 :
What is the angle of rotation symmetry for a shape that has rotational symmetry of order $5$?
Question 20 :
The angle of rotation symmetry for a shape is 60. What is the order of rotational symmetry?
Question 22 :
If $P=(8,6)$and R is the rotation through $90^\circ$ about O, then $R_{-90}O(P)$ is
Question 23 :
The image of the line $2x - y = 2$ in the line $x + y = 0$ is
Question 24 :
State whether the statement are true (T) or false (F).<br>A square and a rectangle have the same number of lines of symmetry.
Question 25 :
The reflection point of the point $(0,3,-2)$ in the line $\frac{{1 - x}}{2} = 2 - y = z + 1$ is
Question 26 :
State whether the statement are true (T) or false (F).<br>If an isosceles triangle has more than on line of symmetry, then it must be an equilateral triangle.
Question 27 :
The image of the origin in the line joining the points $(-9, 4, 5)$ and $(11, 0, -1)$ is<br/>
Question 28 :
Find the image of the point $(5, 7, 3)$ in the line $\displaystyle \dfrac {x-15}{3}=\displaystyle \dfrac {y-29}{8}=\displaystyle \dfrac {5-z}{5}$
Question 29 :
A line $y=x$ is rotated through $45^o$ . Find the new angle made by line with X axis.
Question 30 :
The image of the point $(1, 6, 3)$ in the line $\displaystyle \frac{x}{1}= \displaystyle \frac{y-1}{2}= \displaystyle \frac{z-2}{3}$ has the coordinates