EXERCISE 4.3.
1) Name the angles in the given figure.
∠DAB, ∠ABC, ∠BCD, ∠CDA
2) In the given diagram, name the point (s)
a) In the interior of ∠DOE
Ans: A
b) In the exterior of ∠EOF
Ans: C, D, A
c) On ∠EOF
Ans: E, B, O, F
3) Draw rough diagram of two angles such that they have
a) One point in common
D is a common point for ∠AOB and ∠COD
b) Two points in common
P and O are common points for ∠POM and ∠POM
c) Three points in common
N, P and O are three points in common for ∠MON and ∠ QON
d) Four points in common
B, D, E and O are four points in common for ∠AOB and ∠BOC
e) One ray in common
(OR) is common ray for ∠POR and ∠ROQ