Question 2 :
If all three angles in one triangle are the same as the corresponding angles in another triangle, then the triangles are similar by which test ?
Question 4 :
If $\Delta {ABC} \sim \Delta PQR, \angle{B} = \angle{Q}$ is said to be ________ .<br/>
Question 5 :
Sides of two similar triangles are in the ratio of $4 : 9$ then area of these triangles are in the ratio
Question 6 :
If in trianges $ABC$ and $DEF$, $\cfrac{AB}{DE}=\cfrac{BC}{FD}$, then they will be similar, when:
Question 7 :
The areas of two similar triangles ABC and PQR are $25\ cm^{2}\ \& \  49\ cm^{2}$, respectively. If QR $=9.8$ cm, then BC is:<br/>
Question 8 :
If the corresponding sides of two triangles are proportional, then the two triangles are similar by which test
Question 9 :
If $\triangle ABC\sim \triangle DEF$ and $AB:DE=3:4$, then the ratio of area of triangles taken in order is
Question 11 :
<span>For two triangles, if sides of one triangle are proportional to the sides of other triangle, then their corresponding angles are equal and hence the two triangles are similar. This is called ___ similarity.   </span><br/>
Question 12 : <div><span>It is given that $\triangle FED\sim \triangle STU$. Is it true to say that </span><span>$\cfrac{DE}{UT}=\cfrac{EF}{TS}$? </span><br/></div>
Question 14 :
If one shape becomes another using a resize, then the shapes are __________.
Question 15 : Consider the following statements:<br/>(1) If three sides of triangle are equal to three sides of another triangle, then the triangles are congruent.<br/>(2) If three angles of a triangle are respectively equal to three angles of another triangle, then the two triangles are congruent.<br/><br/><div>Of these statements,</div>
Question 16 :
In a right-angled triangle, c is the hypotenuse and a and b are its legs. Which statement is wrong ?
Question 17 :
In Pythagoras theorem the right angled triangle is also called a
Question 18 :
In a $\triangle ABC$, $BC=AB$ and $\angle B={ 80 }^{ 0 }$. Then $\angle A$ is equal to?
Question 19 :
If the angles of one triangle $ABC$ are congruent with the corresponding angles of triangle $DEF$, which of the following is/are true?
Question 20 :
In triangles $ABC$ and $DEF$, $\angle B=\angle E, \angle F=\angle C$ and $AB=3DE$. Then, the two triangles are:
Question 21 :
$\displaystyle \triangle ABC\sim \triangle PQR$ If ar(ABC)=2.25$\displaystyle m^{2}$ ar(PQR)=6.25$\displaystyle m^{2}$, PQ=0.5 m, then length of AB is
Question 22 :
Let $\triangle$ABC ~ $\triangle$PQR. If area(ABC) = 2.25 $m^{2}$, area(PQR) = 6.25 $m^{2}$, PQ = 0.5 $m$, then length of AB is:<br/>
Question 23 :
Which of the following could be the side lengths of a right triangle?
Question 24 :
Two figures having the ............. shape but not necessarily the ............ size are called similar figures.<br>
Question 25 :
If the ratio of the corresponding sides of the two similar triangles is 2 : 3, then the ratio of their corresponding altitudes is
Question 26 :
Two triangles are $ABC$ and $PQR$ are similar, then symbolically it is represented as:
Question 27 :
If in the triangles $ABC$ and $DEF$, angle $A$ is equal to angle $E$, both are equal to ${40}^{o}$, $AB:ED=AC:EF$ and angle $F$ is ${65}^{o}$, then angle $B$ is:
Question 28 :
In $\triangle ABC$ and $\triangle DEF$, $\angle A={50}^{o}, \angle B={70}^{o}, \angle C={60}^{o}, \angle D={60}^{o}, \angle E={70}^{o}, \angle F={50}^{o}$, then $\triangle ABC$ is similar to:
Question 29 :
$\triangle ABC$ is similar to $\triangle XYZ$ by $SAS$ similarity.If in $\triangle ABC$ $AB=12,BC=8,\angle B=60$<br/>and in $\triangle XYZ$ Find the value of $\angle Y$
Question 30 :
In $\Delta$ ABC, angle C is a right angle, then the value<br>of tan $A + tan B $is<br><br>
Question 31 :
$\triangle ABC$ is similar to $\triangle XYZ$ by $SAS$ similarity. If in $\triangle ABC$ $AB=12,BC=8,\angle B=60^o$<br/>and in $\triangle XYZ$ $XY=3$,$\angle Y=60^o$. Find the value of $YZ$
Question 32 :
A tree of height 24m standing in the middle of the road casts a shadow ofheight 16m. If at the same time a nearby pole of 48 m casts a shadow , what would the height of the shadow be?<span><br></span>
Question 33 :
Which side is the hypotenuse for the sides, $89, 39$ and $80$ in a right angled triangle? (Apply Converse of Pythagoras theorem).<br/>
Question 34 :
The area of two similar triangles ABC and PQR are 25 $\displaystyle cm^{2}$ and $\displaystyle 49cm^{2}$ If QR=9.8 cm then BC is
Question 35 :
If the same photograph is printed in different sizes, then we say both the photographs are<span><br/></span>
Question 36 :
Select the correct alternative .  If $a , b ,c$ are sides of a triangle and $a^{2} + b ^{2}= c^{2} $, name the type of triangle
Question 37 :
If ABC and DEF are similar triangles such that $\displaystyle \angle A=47^{\circ}$ and $\displaystyle \angle B=83^{\circ}$ then $\displaystyle \angle F$ is
Question 38 :
$\triangle ABC$ is similar to $\triangle XYZ$ by SSS similarity. If in $\triangle ABC$,  $AB=12,BC=8,AC=6$<br/>and in $\triangle XYZ,$  $XY=6,YZ=4$. Find the value of $XZ$
Question 39 :
If the areas of two similar triangles are equal then the triangles :
Question 40 :
If ratio of heights of two similar triangles is $4:9$, then ratio between their areas is?
Question 41 :
When we construct a triangle similar to a given triangle as per given scale factor, we construct on the basis of ...........
Question 42 :
<br/><span>For two triangles, if corresponding angles are equal, then  the two triangles are similar. This is called ___ similarity.   </span><br/>
Question 43 :
Given the measures of the sides of the triangle , identify which measures are in the ratio 3 : 4 : 5
Question 44 :
The perimeter of two similar triangles are $24$ cm and $16$ cm, respectively. If one side of the first triangle is $10$ cm, then the corresponding side of the second triangle is<br/>
Question 46 :
Two poles of height $6m$ and $11m$ stand on a plane ground. If the distance between the feet of the poles is $12m$, find the distance between their tops
Question 47 :
In $ \displaystyle \bigtriangleup $ ABC , angle C is a right angle, then the value of $ \displaystyle \tan A+ \tan B is $
Question 49 :
Sides of two similar triangles are in the ratio of $5 : 11$ then ratio of their areas is 
Question 50 :
$\triangle PQR \sim \triangle XYZ, \dfrac{XY}{PQ}=\dfrac{3}{2}$ then $\dfrac{Area\ of\ \triangle PQR}{Area\ of\ \triangle XYZ}=$____.
