Question

Measure AD, DC and BD.
3.
Draw a triangle PQR in which PQ = 6.5cm, QR = 7.5 cm, PR= 8.5cm.
Bisect angles Q and R. If these bisector meet at 0, measure QOR.
with step by step​

Answer 1

Answer:

Exercise 14.1

Question 1:

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.

Class_6_Practical_Geometry_Construction_Of_A_Circle_With_Radius_3.2cm

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.

Class_6_Practical_Geometry_Two_Cocentric_Circles

(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.

Answer 2

Answer:

Construct ΔPQR, such that QR=6.5cm, ∠PQR=60

0 and PQ−PR=2.5cm.

1ST PICTURE IS MEASURATION OF AD,DC, AND BD

AND SECOND PICTURE IS FOR THE NEXT STEP OF EXPLAINATION

Step-by-step explanation:

Step 1: Construct a straight line QR = 6.5 cm.

Step 2: At point Q, construct an angle of 60

Step 2: At point Q, construct an angle of 60 o

Step 2: At point Q, construct an angle of 60 o

Step 2: At point Q, construct an angle of 60 o Step 3: On the arm of this angle mark point X at a distance of 2.5 cm from Q

Step 4: Join X to R.

Step 5: Now the copy the angle formed at X on R.

Step 6: Extend the arms of both the angles and mark their intersection as P.

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