NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 2: Geometry

Fill in the Blanks

An angle greater than 180° and less than a complete angle is called ______.

The number of diagonals in a hexagon is ______.

A pair of opposite sides of a trapezium are ______.

In Fig. 2.14, points lying in the interior of the triangle PQR are _____, that in the exterior are _____ and that on the triangle itself are _____.

21. In Fig. 2.15, points A, B, C, D and E are collinear such that AB = BC = CD = DE. Then

(a) AD = AB + _____

(b) AD = AC + _____

(c) mid point of AE is _____

(d) mid point of CE is _____

(e) AE = _____ × AB

22. In Fig. 2.16,

(a) ∠AOD is a/an _____ angle

(b) ∠COA is a/an _____ angle

(c) ∠AOE is a/an _____ angle

The number of triangles in Fig. 2.17 is _____. Their names are __________________.

Number of angles less than 180° in Fig. 2.17 is _____ and their names are _____.

The number of straight angles in Fig. 2.17 is ____.

The number of right angles in a straight angle is ____ and that in a complete angle is ____.

The number of common points in the two angles marked in Fig. 2.18 is ____.

The number of common points in the two angles marked in Fig. 2.19 is ____.

The number of common points in the two angles marked in Fig. 2.20 is ____.

The number of common points in the two angles marked in Fig. 2.21 is ____.

The common part between the two angles BAC and DAB in Fig. 2.22 is ____.