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5. A straight angle has .................... right angles.

6. An angle whose measure is more than 180° but less than 360° is called a .................... angle.
7. If an angle is equal to its supplement, then its measure is .................... .
D. State whether the following statements are True (T) or False (F).

1. From a given point, infinite rays can be drawn.
2. In the given figure, PQ ⊥ AB and PO = OQ. So, PQ is the perpendicular bisector
of line segment AB. P
3. A line can be measured.

4. Two parallel lines intersect at one point. A O B
5. A line segment has two endpoints.
Q
6. Angle of 0° is an acute angle.

E. Identify the figure(s) which has/ve:

A B
E
D K G J
F A D
F H C
C L I
E D
A B B O C M
(a) (b) (c)

1. Four rays
2. Nine line segments

3. Six angles
4. Six points on the boundary

5. Three collinear points
F. Solve the following questions.
1. How many line segments can be found in the given figure?

2. In the given protractor, what is the measure of ∠AOB? If you bisect the angle AOB, what will be the
measure of each bisected angle?

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