Subject :IMO Class : Class 7
Which of the following options is INCORRECT?
A ∠1 = ∠3
B ∠1 + ∠4 + ∠5 = 180°
C ∠8 = ∠6
D ∠1 + ∠3 = 180°
Which of the following options is INCORRECT?
A ∠1 = ∠3
B ∠1 + ∠4 + ∠5 = 180°
C ∠8 = ∠6
D ∠1 + ∠3 = 180°