## ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 10 Basic Geometrical Concept Ex 10.2

Question 1.

How many angles are shown in the following figure? Name them.

Solution:

∠A, ∠B, ∠C, ∠D. Four angles.

Question 2.

In the given figure, name the point(s)

(i) In the interior of ∠DOE

(ii) In the exterior of ∠EOF

(iii) On ∠EOF

Solution:

(i) A

(ii) C, A, D

(iii) E, B, O, F

Question 3.

Draw rough diagrams of two angles such that they have

(i) One point in common.

(ii) Two points in common.

(iii) One ray in common.

Solution:

(i)

∠AOB and ∠BOC have one point O in common.

(ii) ∠AOB and ∠OBC have two points O and B in common.

∠AOB and ∠BOC have one ray \(\overrightarrow{\mathrm{OB}}\) in common.