Practical Geometry Class 8 Worksheet Maths

There are four options, out of which one in correct. (Choose the correct one) 

Q.1. A triangle can be constructed by taking its sides as :
 (a) 1.4 cm, 3.2 cm, 4.6 cm
 (b) 2.3 cm, 3.2 cm, 5.5 cm
 (c) 1.8 cm, 1.8 cm, 5 cm
 (d) 2 cm, 3 cm, 4 cm

Ans. (d)

There are four options, out of which one in correct. (Choose the correct one) 

Q.2. A triangle can be constructed by taking two of its angles with any side as :
 (a) 120°, 30°
 (b) 70°, 120°
 (c) 90°, 90°
 (d) 60°, 120°

Ans. (a)

There are four options, out of which one in correct. (Choose the correct one) 

Q.3. Which geometrical instrument can be used to draw an are :
 (a) Scale
 (b) Compass
 (c) Set square 30°, 60°, 90°
 (d) Set square 45°, 45°, 90° 

Ans. (b)

There are four options, out of which one in correct. (Choose the correct one) 

Q.4. How many lines can be drawn parallal to a given line, through a point outside the given line?
 (a) Two
 (b) One
 (c) Many lines
 (d) None

Ans. (b)

Q.5. Construct a right angled triangle whose hypotenuse measures 5 cm and one of the other sides measures 3.2 cm. 

Ans. 

Q.6. Draw two parallel lines at a distance of 5 cm apart. 

Ans. 

Q.7. Draw a triangle whose side are of length 4 cm, 5 cm and 6 cm. 

Ans. 

Q.8. Construct an obtuse angled triangle which has a base of 5 cm and base angles of 30° and 110°.

Ans. 

Q.9. Construct a triangle ABC whose sides AB = 3 cm, BC = 4 cm and ∠B = 60°.
 Ans. 

Q.10. Fill up the blanks :
 (i) ....................... line (s) can be drawn parallel to a given line.
 (ii) ................. sides and the ....................... angle between them are enough to construct a triangle.
 (iii) ................. angles and the .................... side included between them is enought construct a triangle.
 (iv) For construction of a triangle, the sum of three angles of a triangle should be ...............

Ans. (i) Infinite

(ii) 2, 1

(iii) 2, 1

(iv) 180°