Answered

1. When a circle is divided into four equal parts, what special name is given to each?

A. Quadrangle
B. Sector
C. Quadrant
D. Segment

2. An angle which is more than 180° but less than 360° is

A. An acute angle
B. A right angle
C. An obtuse angle
D. A reflex angle

3. Madam Nancy wants to know which of the teachers in her school is liked best by most of the students. Which of the following methods is most suitable for collecting the data?

A. Questionnaire
B. Database
C. Observation
D. Experiment

4. The instrument used to measure the angle between two lines that meet at a point is known as

A. Pair of compasses
B. Set-square
C. Protractor
D. Pair of dividers



Answer :

GinnyAnswer

Final answer:

The answer explains quadrants, reflex angles, data collection methods, and measurement instruments in mathematics.


Explanation:

When a circle is divided into four equal parts, each part is called a quadrant. An angle which is more than 180° but less than 360° is identified as a reflex angle. To determine which teacher in a school is liked best by most students, conducting a questionnaire would be the most suitable method for data collection. The instrument used to measure the angle between two lines that meet at a point is known as a protractor.


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