Chapter 12 | Construction Of Quadrilaterals | Class-8 DAV Secondary Mathematics

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Chapter 12 | Construction Of Quadrilaterals | Class-8 DAV Secondary Mathematics

Unit 12 Worksheet 4 || Construction Of Quadrilaterals

1. Using ruler and compasses only, construct the following:

(i) A quadrilateral ABCD in which AB = CD = 5 cm, BC = 4.5 cm, ∠B = 45°, ∠C = 135°

Answer (i):

Chapter 12 | Construction Of Quadrilaterals | Class-8 DAV Secondary Mathematics

(ii) A quadrilateral ABCD in which AB = 5 cm, BC = 6 cm, CD = 6.5 cm, ∠B =105°, ∠C = 75°

Answer (ii):

(iii) A quadrilateral PQRS in which PQ = 5 cm, QR = 4 cm, RS = 4.5 cm, ∠Q = 45° , ∠R = 135°

Answer (iii):

(iv) A quadrilateral MNRS in which MN = 4.5 cm, NR = 5 cm, RS = 6 cm, ∠N = 120°, ∠R = 60°.

Answer (iv):

(v) A quadrilateral ABCD in which AB = BC = CD = 6 cm and ∠B = 60°, ∠C = 120°.

Answer (v):

2. Using ruler, compasses and protractor if required, construct the following:

(i) A quadrilateral ABCD in whidh AB = 5 cm, BC = 4 cm, CD = 4.5 cm, ∠B = 70°, ∠C = 100°

Answer (i):

(ii) A quadrilateral PQRS in which PQ = 5 cm, QR = 6 cm, RS = 4 cm, ∠Q = 80°, ∠R = 100°.

Answer (ii):

(iii) A quadrilteral ABCD in which AB = 4 cm, BC = 5 cm, CD = 4.5 cm, ∠B = 85°, ∠C = 95°.

Answer (iii):

(iv) A quadrilateral ABCD in which AB = 4 cm, BC = 3 cm, CD = 4.5 cm, ∠B = 105°, ∠C = 80°.

Answer (iv):

(v) A quadrilateral ABCD in which AB = 5 cm, BC = 4 cm, CD = 5 cm, ∠B = 80°, ∠C = 100°.

Answer (v):