Question 1 :
State true or false.The complement of the angle $(150-a+b)^o$ is $(a - b - 60)^o$.
Question 3 :
A pair of angles with a common vertex and common arm are called
Question 4 :
Find the complement of the angle :$\dfrac{1}{4}$ of a right angle
Question 5 :
If the sum of two adjacent angles is $100^{\circ}$ and one of them is $35^{\circ}$, then the other is :<br>
Question 7 :
If an angle is $28^o$ less than its complement, find its measure.<br/>
Question 8 :
Two angles are supplementary and one angle is twice the other angle then, find the both angles.
Question 11 :
A ray stands on a line, then the sum of the two adjacent angles so formed is ______.<br/>
Question 12 :
If two supplementary angles are in the ratio $4:5$, then the angles are __________.
Question 14 :
Two angles are supplementary, if one of them is$\displaystyle { 49 }^{ o }$. Find the other angle?
Question 16 :
If measure of one angle of linear pair is $102^{\circ}$, then the measure of second angle is $ 78^{\circ}$.
Question 17 :
If two parallel lines are intersected by a transversal, then alternate interior angles are equal.<br/>
Question 18 : Two supplementary angles are in the ratio $5:7$. Find the smallest angle.<table class="wysiwyg-table"><tbody><tr><td>$1^{st}$ angle $=$ $\dfrac{5}{12} \times 180^o$ and <br/>$2^{nd}$ angles $=$ $\dfrac{7}{12} \times 180^o$</td></tr></tbody></table>
Question 20 :
An angle is $14^o$ more than its complementary angle, then angle is:<br/>
Question 23 :
If two angles are formed on a straight line, then what may be the combination of angles?
Question 24 :
Two supplementary angles are in the ratio 4 : 5. The angles are<br>
Question 26 :
If two interior angles on the same side of a transversal intersecting two parallel lines are in the ratio 2 : 3, then the smaller of two angles is :<br/>
Question 27 :
Find x; if $\angle\, 1\, =\, 5x\, +\, 15^{\circ}$ and $\angle\, 2\, =\, 28x$, angles form linear pair.
Question 28 :
If two supplementary angles are in the ratio 2 : 7, then the angles are :<br>
Question 30 :
If two angles are complementary and in the ratio $17:13$. Find the measure of angles.
Question 31 :
A bicycle wheel makes four and half turns, then the number of right angles through which it turns is ________.
Question 32 :
A line AB is parallel to the line CD This is symbolically written as
Question 33 :
State whether the following statement is True or False.<br/>If two lines intersect each other,then the vertically opposite angles are equal.
Question 34 :
If amongst two supplementary angles, the measure of smaller angle is four times its complement, then their difference is:
Question 36 :
Two angles the sum of whose measure is $90^{\circ}$ are called ______ angles
Question 38 :
$\angle\,A$ is supplementary to $\angle\, B,\, \angle\, B$ is complementary to$\angle\, C$. If $\angle\, A\, =\, 118^\circ$, what is the measure of$\angle\, C$ ?
Question 39 :
State true or false:If two lines intersect and one of the angles so formed is a right angle, then the other three angles will not be right angles.<br/>
Question 41 :
Lines $m$ and $n$ are cut by a transversal so that $\angle 1$ and $\angle 5$ are corresponding angles. If $\angle 1=26x-{7}^{o}$ and $\angle 5=20x+{17}^{o}$. What value of $x$ makes the lines $m$ and $n$ parallel?
Question 42 :
If an angle is its own complementary angle, then its measure is _________.
Question 43 :
If two complementary angles are in the ratio $13:5$, then the angles are ________.
Question 45 :
Two complementary angles are such that two times the measure of one is equal to three times the measure of the other. The measure of the larger angle is:
Question 46 :
If one angle of a linear pair is acute, then its other angle will be ______.<br/>
Question 47 :
If two straight lines intersect the measures of the vertically opposite angles are ____
Question 48 :
Two distinct _____in a plane cannot have more than one point in common.
Question 49 :
If $2x + 3y + 4 = 0$ & $\lambda x + ky + 2 = 0$ are identical lines then $3\lambda - 2k = $
Question 50 :
If two straight lines intersect the measures of the vertically opposite angles are ____
