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. 

9 cm
                       28 cm
          
                                            48 cm



cm2


Answer:_______________




2)  

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

11 cm
                                              49 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. 

11 cm
                       29 cm
          
                                            49 cm



cm2


Answer:_______________




4)  

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

7 cm
                                              32 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. 

14 cm
                       30 cm
          
                                            46 cm



cm2


Answer:_______________




6)  

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

8 cm
                                              40 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. 

12 cm
                       30 cm
          
                                            39 cm



cm2


Answer:_______________




8)  

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

6 cm
                                              59 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. 

8 cm
                       29 cm
          
                                            40 cm



cm2


Answer:_______________




10)  

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

12 cm
                                              29 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. 

9 cm
                       28 cm
          
                                            48 cm



Answer: 90 cm2


SOLUTION 1 :
9 cm
                    28 cm
         
                                         48 cm

 


Step 1: Length of YZ → 48 cm - 28 cm = 20 cm


Step 2: Area of triangle WYZ → 12 x 20 cm x 9 cm = 90 cm2



2)  

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

11 cm
                                              49 cm


Answer: 209 cm2


SOLUTION 1 :
11 cm
                                              49 cm

 

Step 1: Length of YZ → 49 cm - 11 cm = 38 cm

Step 2: Area of triangle WYZ → 12 x 38 cm x 11 cm = 209 cm2



3)  

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

11 cm
                       29 cm
          
                                            49 cm



Answer: 110 cm2


SOLUTION 1 :
11 cm
                    29 cm
         
                                         49 cm

 


Step 1: Length of YZ → 49 cm - 29 cm = 20 cm


Step 2: Area of triangle WYZ → 12 x 20 cm x 11 cm = 110 cm2



4)  

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

7 cm
                                              32 cm


Answer: 87.5 cm2


SOLUTION 1 :
7 cm
                                              32 cm

 

Step 1: Length of YZ → 32 cm - 7 cm = 25 cm

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



5)  

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

14 cm
                       30 cm
          
                                            46 cm



Answer: 112 cm2


SOLUTION 1 :
14 cm
                    30 cm
         
                                         46 cm

 


Step 1: Length of YZ → 46 cm - 30 cm = 16 cm


Step 2: Area of triangle WYZ → 12 x 16 cm x 14 cm = 112 cm2



6)  

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

8 cm
                                              40 cm


Answer: 128 cm2


SOLUTION 1 :
8 cm
                                              40 cm

 

Step 1: Length of YZ → 40 cm - 8 cm = 32 cm

Step 2: Area of triangle WYZ → 12 x 32 cm x 8 cm = 128 cm2



7)  

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

12 cm
                       30 cm
          
                                            39 cm



Answer: 54 cm2


SOLUTION 1 :
12 cm
                    30 cm
         
                                         39 cm

 


Step 1: Length of YZ → 39 cm - 30 cm = 9 cm


Step 2: Area of triangle WYZ → 12 x 9 cm x 12 cm = 54 cm2



8)  

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

6 cm
                                              59 cm


Answer: 159 cm2


SOLUTION 1 :
6 cm
                                              59 cm

 

Step 1: Length of YZ → 59 cm - 6 cm = 53 cm

Step 2: Area of triangle WYZ → 12 x 53 cm x 6 cm = 159 cm2



9)  

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

8 cm
                       29 cm
          
                                            40 cm



Answer: 44 cm2


SOLUTION 1 :
8 cm
                    29 cm
         
                                         40 cm

 


Step 1: Length of YZ → 40 cm - 29 cm = 11 cm


Step 2: Area of triangle WYZ → 12 x 11 cm x 8 cm = 44 cm2



10)  

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

12 cm
                                              29 cm


Answer: 102 cm2


SOLUTION 1 :
12 cm
                                              29 cm

 

Step 1: Length of YZ → 29 cm - 12 cm = 17 cm

Step 2: Area of triangle WYZ → 12 x 17 cm x 12 cm = 102 cm2