Scroll:Measurement >> Area of Triangle >> saq (1503)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

5 cm
                       27 cm
          
                                            54 cm



cm2


Answer:_______________




2)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

10 cm
                                              45 cm


cm2


Answer:_______________




3)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

10 cm
                       25 cm
          
                                            53 cm



cm2


Answer:_______________




4)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

12 cm
                                              47 cm


cm2


Answer:_______________




5)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

5 cm
                       27 cm
          
                                            44 cm



cm2


Answer:_______________




6)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

6 cm
                                              43 cm


cm2


Answer:_______________




7)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

7 cm
                       29 cm
          
                                            54 cm



cm2


Answer:_______________




8)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

7 cm
                                              51 cm


cm2


Answer:_______________




9)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

14 cm
                       27 cm
          
                                            55 cm



cm2


Answer:_______________




10)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

15 cm
                                              48 cm


cm2


Answer:_______________




 

1)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

5 cm
                       27 cm
          
                                            54 cm



Answer: 67.5 cm2


SOLUTION 1 :
5 cm
                    27 cm
         
                                         54 cm

 


Step 1: Length of YZ → 54 cm - 27 cm = 27 cm


Step 2: Area of triangle WYZ → 12 x 27 cm x 5 cm = 67.5 cm2



2)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

10 cm
                                              45 cm


Answer: 175 cm2


SOLUTION 1 :
10 cm
                                              45 cm

 

Step 1: Length of YZ → 45 cm - 10 cm = 35 cm

Step 2: Area of triangle WYZ → 12 x 35 cm x 10 cm = 175 cm2



3)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

10 cm
                       25 cm
          
                                            53 cm



Answer: 140 cm2


SOLUTION 1 :
10 cm
                    25 cm
         
                                         53 cm

 


Step 1: Length of YZ → 53 cm - 25 cm = 28 cm


Step 2: Area of triangle WYZ → 12 x 28 cm x 10 cm = 140 cm2



4)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

12 cm
                                              47 cm


Answer: 210 cm2


SOLUTION 1 :
12 cm
                                              47 cm

 

Step 1: Length of YZ → 47 cm - 12 cm = 35 cm

Step 2: Area of triangle WYZ → 12 x 35 cm x 12 cm = 210 cm2



5)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

5 cm
                       27 cm
          
                                            44 cm



Answer: 42.5 cm2


SOLUTION 1 :
5 cm
                    27 cm
         
                                         44 cm

 


Step 1: Length of YZ → 44 cm - 27 cm = 17 cm


Step 2: Area of triangle WYZ → 12 x 17 cm x 5 cm = 42.5 cm2



6)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

6 cm
                                              43 cm


Answer: 111 cm2


SOLUTION 1 :
6 cm
                                              43 cm

 

Step 1: Length of YZ → 43 cm - 6 cm = 37 cm

Step 2: Area of triangle WYZ → 12 x 37 cm x 6 cm = 111 cm2



7)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

7 cm
                       29 cm
          
                                            54 cm



Answer: 87.5 cm2


SOLUTION 1 :
7 cm
                    29 cm
         
                                         54 cm

 


Step 1: Length of YZ → 54 cm - 29 cm = 25 cm


Step 2: Area of triangle WYZ → 12 x 25 cm x 7 cm = 87.5 cm2



8)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

7 cm
                                              51 cm


Answer: 154 cm2


SOLUTION 1 :
7 cm
                                              51 cm

 

Step 1: Length of YZ → 51 cm - 7 cm = 44 cm

Step 2: Area of triangle WYZ → 12 x 44 cm x 7 cm = 154 cm2



9)  

In the figure below, XYZ is a straight line and WX is not equal to XY. 
Find the area of triangle WYZ. 

14 cm
                       27 cm
          
                                            55 cm



Answer: 196 cm2


SOLUTION 1 :
14 cm
                    27 cm
         
                                         55 cm

 


Step 1: Length of YZ → 55 cm - 27 cm = 28 cm


Step 2: Area of triangle WYZ → 12 x 28 cm x 14 cm = 196 cm2



10)  

In the figure below, XYZ is a straight line and WX = XY.
Find the area of triangle WYZ. 

15 cm
                                              48 cm


Answer: 247.5 cm2


SOLUTION 1 :
15 cm
                                              48 cm

 

Step 1: Length of YZ → 48 cm - 15 cm = 33 cm

Step 2: Area of triangle WYZ → 12 x 33 cm x 15 cm = 247.5 cm2