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Chapter 4: Basic Geometric Ideas > Exercise 4.4

Exercise 4.4

1. Mark any four points A, B, C, and D. Join them to make a quadrilateral. Name it.

We mark four points , , , and .

By joining them, we form a quadrilateral named .

2. PQRS is a Quadrilateral. Answer the following.

(i) The opposite side of QR is

(ii) The angle opposite to ∠

(iii) The adjacent sides of PQ are and

(iv) The adjacent angles of ∠ and ∠

3. Name the points marked in the figure

(i.) The points in the interior of Quadrilateral.

Answer :

From given figure,

The points in the interior of Quadrilateral are , .

(ii.) The points on the boundary of Quadrilateral.

Answer :

From given figure,

The points on the boundary of Quadrilateral are , , , , and .

(iii.) The points in the exterior of the Quadrilateral.

Answer :

From given figure,

The points in the exterior of the Quadrilateral are , , and .