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1.1 Class Quiz 15: Revision of Ch.9
QuizĀ by Ms Choi
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āIn the figure, AD, BE and CF intersect at O.Which of the following must be true?
I.Ā Ā Ā Ā x = y = z
II.Ā Ā x + y + z =180Ā°
II only
Ā I only
Ā None of the above
I and II
In the figure, AD, BE and CF intersect at O.Which of the following must be true?
I.Ā Ā Ā Ā x = y = z
II.Ā Ā x + y + z =180Ā°
Refer to the figure. Find x.
In the figure, ACE and BCD are straight lines. Find x.
In the figure, D is a point lying on AB. Find b and c.Ā
Refer to the figure. Which of the following is/are true?
I.Ā Ā Ā Ā x = 45Ā°
II.Ā Ā AB is not parallel to DC.
What is the correct reasons for AB // DC.
What is the correct reasons for AB // CDĀ .
What is the correct reasons for AB // CDĀ .
Which of the following groups can be the three interior angles of a triangle?
I.Ā Ā Ā Ā 10Ā°, 70Ā°, 100Ā°
II.Ā Ā 20Ā°, 90Ā°, 90Ā°
III.Ā 30Ā°, 50Ā°, 80Ā°