Question 2 :
The difference between the complementary and supplementary angles of $70^o$ is:<br/>
Question 5 :
$D$ and $E$ are points on the sides $AB$ and $AC$ respectively of $\triangle ABC$. For the following case, state whether $DE\parallel BC$:<br/><br/>$AB=5.6cm,  AD=1.4cm, AC=9.6cm$ and $EC=2.4cm$
Question 7 :
When two line segments meet at a point forming right angle they are said to be ..........to each other.
Question 8 :
$D$ and $E$ are points on the sides $AB$ and $AC$ respectively of $\triangle ABC$. For the following case, state whether $DE\parallel BC$:<br/><br/>$AB=10.8cm,  AD=4.5cm, AC=4.8cm$ and $AE=2.8cm$
Question 10 :
Based on the angle measures given, which triangle is not acute?
Question 11 :
Assertion: If two lines intersect, then the vertically opposite angles are equal.
Reason: If a transversal intersects, two other parallel lines, then the sum of two interior angles on the same side of the transversal is $180^o$.
Question 12 :
Mark the correct alternative of the following.<br>The measure of an angle which is its own complement is?
Question 13 :
if the two pair of lines $2 x ^ { 2 } + 6 x y + y ^ { 2 } = 0$ and $4 x ^ { 2 } + 18 x y + b y ^ { 2 } = 0$ are equally inclined,then $b$ is equal to<br/>
Question 14 :
Find smallest of two supplementary angles, if they are in the ratio $7 : 11$.
Question 16 :
The measure of an angle which is 5 times its supplement is
Question 17 :
Mark the correct alternative of the following.<br>If the measures of the angles of a triangle are $(2x-5)^o, \left(3x-\dfrac{1}{2}\right)$ and $\left(30-\dfrac{x}{2}\right)$, then $x=?$<br>
Question 18 :
The larger of two supplementary angles exceeds the smaller by $24$ degrees. Then the angles are:<br/>
Question 19 :
The number of rational values of $m$ for which the $y$-coordinate of the point of intersection of the lines $3x+2y=10$ and $x=my+2$ is an integer is