Question 1 :
Two triangles are ....... if two sides and included angle of one triangle are equal to two sides and included angle of the other triangle.
Question 2 :
In $\Delta ABC, \angle A=100^{\circ}, \angle B=30^{\circ}$ and $\angle C= 50^{\circ}$,then<br/>
Question 3 :
In a triangle $ABC$, $\overline{AB} \cong \overline {AB}$ is a _________ property of congruence.<br/>
Question 4 :
Consider isosceles triangle $ABC$, in which $\angle ABC=\angle ACB$ ,$AB=2BC$ and $AB=8$ cm.What is the perimeter of the $\triangle ABC$?
Question 5 :
Two triangles are .......... if two angles and included side (common to both the angles) are equal to two angles and included side (common to both angles) of the other triangle.
Question 6 :
It is not possible to construct a triangle when its sides are :<br>
Question 7 :
The sum of the three altitudes of a triangle is $......$ than its perimeter
Question 8 :
The perimeter of a triangle is $.........$ than the sum of its medians.
Question 9 :
Three students Pia, Sia and Tia wrote astatement on a blackboard.<br>Pia wrote, "All rectangles are congruent".<br>Sia wrote, "All equilateral triangles arecongruent".<br>Tia wrote, "All right angled triangles arecongruent".<br>Who wore the INCORRECT statement?
Question 10 :
Two sides of a triangle have lengths $7$ and $9$. Which of the following could not be the length of the third side?
Question 11 :
State true or false:Any two right triangles with hypotenuse $5\ cm$, are congruent.
Question 12 :
If the corresponding angles of two triangles are equal then they are always congruent. The given statement
Question 13 :
The same ratio of corresponding sides is referred to as the ____ factor for polygons.
Question 14 :
<b>O</b> is a point that lies in the interior of $\Delta ABC$. Then $2(OA - OB -OC) > \text{Perimeter}\ of\ \Delta ABC$.
Question 15 :
If length of the largest side of a triangle is 12 cm then other two sides of triangle can be :<br>
Question 17 :
It is not possible to construct a triangle with which of the following sides?<br/>
Question 18 :
Two plane figures are said to be congruent if they have_____.
Question 19 :
State True or False. If false, give reasons for that.<br/>A $1$-rupee and a $5$-rupee coins are congruent.
Question 20 :
In $\Delta ABC, \angle B = 30^{\circ}, \angle C = 80^{\circ}$ and $\angle A = 70^{\circ}$ then,<br>