## 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.