Question

3. Draw a line XY and take a point A not lying on it.
Construct AB perpendicular to XY using set square
and ruler. Verify that XAB = 90°.​

Answer 1

Answer:

 

Draw a circle of radius 3.2 cm.

 

Answer:

 

Steps of construction:

                                                           

(a) Open the compass for the required radius of 3.2 cm.

 

(b) Make a point with a sharp pencil where we want the centre of circle to be.

 

(c) Name it O.

 

(d) Place the pointer of compasses on O.

 

(e) Turn the compasses slowly to draw the circle.

 

Hence, it is the required circle.

 

 

Question 2:

 

With the same centre O, draw two circles of radii 4 cm and 2.5 cm.

 

Answer:

 

Steps of construction:

 

(a) Marks a point O with a sharp pencil where we want the centre of the circle.

 

(b) Open the compasses 4 cm.

 

 

 

 (c) Place the pointer of the compasses on O.

 

(d) Turn the compasses slowly to draw the circle.

            

(e) Again open the compasses 2.5 cm and place the pointer of the compasses on D.

 

(f) Turn the compasses slowly to draw the second circle.

 

Hence, it is the required figure.